Apache.org - SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.03 s
File size
63.50 kB
Media files
Number of links
74 internal / 312 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Welcome to The Apache Software Foundation!
The title contains the word Welcome to! More content should be covered in the title.
There are no duplicate words in the title
Meta description
(Critically important)
Home page of The Apache Software Foundation
The length of the meta description is perfect. (298 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

viewportwidth=device-width, initial-scale=1
descriptionHome page of The Apache Software Foundation

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Page quality

(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
This page contains 1007 words. That's ok.
21.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
14 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24 words is good.
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
Software for the Public Good¶
The H1 heading is perfect.
There are 30 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Software for the Public Good¶
H2 Latest News¶
H2 About the Foundation¶
H2 ASF Projects¶
H2 Apache Project List¶
H3 Contribute¶
H3 Host a Project¶
H3 Featured Projects¶
H3 Incubating Projects¶
H4 Reports¶
H4 Community¶
H4 The Apache Way¶
H4 Conferences¶
H4 Kudu
H4 DataFu
H4 Seata
H4 Wayang
H4 By Category¶
H4 By Name¶
H5 Give Back to the Apache Community with a Year-End Donation
H5 Strengthening Security for Apache Airflow
H5 First-Time ASF Contributors Improve Technical Documentation for ASF Projects and Its Users
H5 Community
H5 Projects
H5 Downloads
H5 Learn
H5 Resources & Tools
H5 About
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (312) on this page.
LinkAttributesAnchor text
https://www.apache.org/Anchor Skip to Main Content
https://infra.apache.org/slack...New window External Subdomain IMG-ALT slack icon
https://github.com/apacheNew window External IMG-ALT github icon
https://www.linkedin.com/compa...New window External IMG-ALT linkedIn icon
https://www.youtube.com/c/TheA...New window External IMG-ALT youtube icon
https://twitter.com/TheASFNew window External IMG-ALT X icon
https://donate.apache.org/48ffNew window External Subdomain Make a Donation
https://community.apache.org/New window External Subdomain Contributor Getting Started
https://community.apache.org/c...New window External Subdomain Becoming a Committer
/foundation/policies/conductCode of Conduct
/community-resources/Community Resources
https://communityovercode.org/New window External Community Over Code
https://events.apache.org/New window External Subdomain Events
https://www.redbubble.com/peop...New window External Store
https://incubator.apache.org/New window External Subdomain Incubator Projects
https://projects.apache.org/New window External Subdomain Projects Directory
/foundation/mailinglistsMailing Lists
https://www.apache.org/securityReport a Vulnerability
https://downloads.apache.org/New window External Subdomain Distributions
https://projects.apache.org/re...New window External Subdomain Releases
https://status.apache.org/New window External Subdomain Infrastructure Status
https://infra-reports.apache.org/New window External Subdomain Anchor Infrastructure Statistics
https://news.apache.org/New window External Subdomain Blog
/foundation/how-it-worksHow the ASF Works
/theapacheway/The Apache Way
https://www.apache.org/legal/Legal & Trademark
https://www.apache.org/dev/Developer Information
https://cwiki.apache.org/New window External Subdomain Wiki
https://issues.apache.org/New window External Subdomain Issues
https://infra.apache.org/slack...New window External Subdomain Slack
https://selfserve.apache.org/New window External Subdomain Self Serve Portal
https://infra.apache.org/New window External Subdomain Infrastructure
https://whimsy.apache.org/New window External Subdomain Whimsy
/foundation/press/kit/Brand Guidelines
https://www.apache.org/logos/Project Logos
/foundation/sponsorsOur Sponsors
/foundation/sponsorshipCorporate Sponsorship
/foundation/individual-supportersIndividual Supporters
https://diversity.apache.org/New window External Subdomain Diversity & Inclusion
https://events.apache.org/x/cu...External Subdomain IMG-ALT Apache Events
https://www.apache.org/IMG-ALT The Apache Software Foundation
A-TITLE Permalink
https://www.apache.org/index.htmlSee All Projects
https://community.apache.org/External Subdomain Contribute
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
/foundation/mailinglists.htmlApache Announcements List
https://news.apache.org/External Subdomain Foundation Blog
https://news.apache.org/founda...External Subdomain Apache Weekly News Round-Ups
https://twitter.com/TheASFExternal @TheASF on Twitter
https://www.linkedin.com/compa...External The Apache Software Foundation on LinkedIn
https://www.youtube.com/c/TheA...External YouTube channel
https://feathercast.apache.org/External Subdomain Feathercast
https://news.apache.org/?p=5742New window External Subdomain Give Back to the Apache Community with a Year-End Donation
https://news.apache.org/?p=5742New window External Subdomain Continue Reading →
https://news.apache.org/?p=5763New window External Subdomain Strengthening Security for Apache Airflow
https://news.apache.org/?p=5763New window External Subdomain Text duplicate Continue Reading →
https://news.apache.org/?p=5758New window External Subdomain First-Time ASF Contributors Improve Technical Documentation for ASF Projects and Its Users
https://news.apache.org/?p=5758New window External Subdomain Text duplicate Continue Reading →
/foundation/reports.htmlReports¶ Official ASF reports and statements, including Quarterly and Annual Reports, Vision Statement, "Apache is Open", 5-Year Strategic Plan, and more.
IMG-ALT Apache Annual Report
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
http://community.apache.org/External Subdomain Community¶ Guidance and mentoring for those interested in participating in Apache projects and their communities. From Google Summer of Code to community eve...
IMG-ALT The Apache Community
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
/theapacheway/index.htmlThe Apache Way¶ Our consensus-driven, open development process was refined over the past 20 years and produced some of the largest and longest-lived Open Sou...
IMG-ALT The Apache Way
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://apachecon.com/External Conferences¶ "Tomorrow's Technology Today" since 1998. Intentionally intimate, offering unparalleled educational, networking, and collaboration opportunities.
IMG-ALT ApacheCon
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
/foundation/thanksSee our sponsors
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://community.apache.org/External Subdomain Get Started
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://incubator.apache.org/External Subdomain Learn more
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://www.apache.org/Anchor SIS
https://www.apache.org/Anchor Kudu
https://www.apache.org/Anchor DataFu
http://sis.apache.org/External Subdomain Text duplicate SIS
http://sis.apache.org/External Subdomain Learn More...
http://kudu.apache.org/External Subdomain Text duplicate Kudu
http://kudu.apache.org/External Subdomain Text duplicate Learn More...
http://datafu.apache.org/External Subdomain Text duplicate DataFu
http://datafu.apache.org/External Subdomain Text duplicate Learn More...
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://www.apache.org/Anchor Seata
https://www.apache.org/Anchor KIE
https://www.apache.org/Anchor Wayang
http://seata.incubator.apache....External Subdomain Text duplicate Seata
http://seata.incubator.apache....External Subdomain Text duplicate Learn More...
http://kie.incubator.apache.org/External Subdomain Text duplicate KIE
http://kie.incubator.apache.org/External Subdomain Text duplicate Learn More...
http://wayang.incubator.apache...External Subdomain Text duplicate Wayang
http://wayang.incubator.apache...External Subdomain Text duplicate Learn More...
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
https://projects.apache.org/External Subdomain Overview
https://projects.apache.org/pr...External Subdomain All Projects
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
http://attic.apache.org/External Subdomain Attic
A-TITLE A home for dormant projects
https://projects.apache.org/pr...External Subdomain Anchor Big Data
https://projects.apache.org/pr...External Subdomain Anchor Build Management
https://projects.apache.org/pr...External Subdomain Anchor Cloud
https://projects.apache.org/pr...External Subdomain Anchor Content
https://projects.apache.org/pr...External Subdomain Anchor Databases
https://projects.apache.org/pr...External Subdomain Anchor FTP
https://projects.apache.org/pr...External Subdomain Anchor Graphics
https://projects.apache.org/pr...External Subdomain Anchor HTTP
https://projects.apache.org/pr...External Subdomain Anchor HTTP-module
http://incubator.apache.org/External Subdomain Incubating
A-TITLE Entry path for projects and codebases wishing to become part of the Foundation's efforts
https://projects.apache.org/pr...External Subdomain Anchor JavaEE
https://projects.apache.org/pr...External Subdomain Anchor Libraries
https://projects.apache.org/pr...External Subdomain Anchor Mail
https://projects.apache.org/pr...External Subdomain Anchor Mobile
https://projects.apache.org/pr...External Subdomain Anchor Network-client
https://projects.apache.org/pr...External Subdomain Anchor Network-server
https://projects.apache.org/pr...External Subdomain Anchor OSGi
https://projects.apache.org/pr...External Subdomain Anchor RegExp
https://projects.apache.org/pr...External Subdomain Anchor Retired
https://projects.apache.org/pr...External Subdomain Anchor Search
https://projects.apache.org/pr...External Subdomain Anchor Security
https://projects.apache.org/pr...External Subdomain Anchor SQL
https://projects.apache.org/pr...External Subdomain Anchor Testing
https://projects.apache.org/pr...External Subdomain Anchor Virtual-machine
https://projects.apache.org/pr...External Subdomain Anchor Web-framework
https://projects.apache.org/pr...External Subdomain Anchor XML
https://www.apache.org/Anchor Text duplicate
A-TITLE Permalink
http://httpd.apache.org/External Subdomain HTTP Server
A-TITLE Apache Web Server (httpd)
http://age.apache.org/External Subdomain AGE
A-TITLE a multi-model database that enables graph and relational models built on PostgreSQL
http://apisix.apache.org/External Subdomain APISIX
A-TITLE a cloud-native microservices API gateway
http://accumulo.apache.org/External Subdomain Accumulo
A-TITLE Sorted, distributed key/value store
http://activemq.apache.org/External Subdomain ActiveMQ
A-TITLE Distributed Messaging System
http://airavata.apache.org/External Subdomain Airavata
A-TITLE Workflow and Computational Job Management Middleware
http://airflow.apache.org/External Subdomain Airflow
A-TITLE workflow automation and scheduling that can be used to author and manage data pipelines
http://allura.apache.org/External Subdomain Allura
A-TITLE Forge software for hosting software projects
http://ambari.apache.org/External Subdomain Ambari
A-TITLE Hadoop cluster management
http://ant.apache.org/External Subdomain Ant
A-TITLE Java-based build tool
http://archiva.apache.org/External Subdomain Archiva
A-TITLE Build Artifact Repository Manager
http://aries.apache.org/External Subdomain Aries
A-TITLE Enterprise OSGi application programming model
http://arrow.apache.org/External Subdomain Arrow
A-TITLE Powering Columnar In-Memory Analytics
http://asterixdb.apache.org/External Subdomain AsterixDB
A-TITLE open source Big Data Management System
http://atlas.apache.org/External Subdomain Atlas
A-TITLE scalable and extensible set of core foundational governance services
http://attic.apache.org/External Subdomain Text duplicate Attic
A-TITLE A home for dormant projects
http://avro.apache.org/External Subdomain Avro
A-TITLE A Serialization System
http://axis.apache.org/External Subdomain Axis
A-TITLE Java SOAP Engine
http://bval.apache.org/External Subdomain BVal
A-TITLE JSR-303 Bean Validation Implementation and Extensions
http://bahir.apache.org/External Subdomain Bahir
A-TITLE Extensions to distributed analytic platforms such as Apache Spark
http://beam.apache.org/External Subdomain Beam
A-TITLE Programming model, SDKs, and runners for defining and executing data processing pipelines
http://bigtop.apache.org/External Subdomain Bigtop
A-TITLE Apache Hadoop ecosystem integration and distribution project
http://bloodhound.apache.org/External Subdomain Bloodhound
A-TITLE Issue tracking, wiki and repository browser
http://bookkeeper.apache.org/External Subdomain BookKeeper
A-TITLE Replicated log service which can be used to build replicated state machines
http://brooklyn.apache.org/External Subdomain Brooklyn
A-TITLE Framework for modeling, monitoring, and managing applications through autonomic blueprints
http://buildstream.apache.org/External Subdomain BuildStream
A-TITLE efficiently and correctly developing, building and integrating software stacks
http://brpc.apache.org/External Subdomain bRPC
A-TITLE an industrial-grade RPC framework for building reliable and high-performance services
http://cxf.apache.org/External Subdomain CXF
A-TITLE Service Framework
http://calcite.apache.org/External Subdomain Calcite
A-TITLE Dynamic data management framework
http://camel.apache.org/External Subdomain Camel
A-TITLE Spring based Integration Framework which implements the Enterprise Integration Patterns
http://carbondata.apache.org/External Subdomain CarbonData
A-TITLE indexed columnar data format for fast analytics on big data platform
http://cassandra.apache.org/External Subdomain Cassandra
A-TITLE Highly scalable second-generation distributed database
http://causeway.apache.org/External Subdomain Causeway
A-TITLE Framework for rapidly developing domain-driven apps in Java
http://cayenne.apache.org/External Subdomain Cayenne
A-TITLE User-friendly Java ORM with Tools
http://celix.apache.org/External Subdomain Celix
A-TITLE Implementation of the OSGi specification adapted to C
http://cloudstack.apache.org/External Subdomain CloudStack
A-TITLE Infrastructure as a Service solution
http://cocoon.apache.org/External Subdomain Cocoon
A-TITLE Web development framework: separation of concerns, component-based
http://commons.apache.org/External Subdomain Commons
A-TITLE Reusable Java components
https://community.apache.org/External Subdomain Community Development
A-TITLE Resources to help people become involved with Apache projects
http://cordova.apache.org/External Subdomain Cordova
A-TITLE Platform for building native mobile applications using HTML, CSS and JavaScript
http://couchdb.apache.org/External Subdomain CouchDB
A-TITLE RESTful document database
http://creadur.apache.org/External Subdomain Creadur
A-TITLE Comprehension and auditing of software distributions
http://curator.apache.org/External Subdomain Curator
A-TITLE Java libraries that make using Apache ZooKeeper easier
http://ctakes.apache.org/External Subdomain cTAKES
A-TITLE Natural language processing (NLP) tool for information extraction from electronic medical record clinical free-text
http://db.apache.org/External Subdomain DB
A-TITLE Database access
http://daffodil.apache.org/External Subdomain Daffodil
A-TITLE an implementation of the Data Format Description Language (DFDL) used to convert between fixed format data and more readily processed forms such as XML or JSON
http://datafu.apache.org/External Subdomain Text duplicate DataFu
A-TITLE well-tested libraries that help developers solve common data problems in Hadoop and similar distributed systems
http://datasketches.apache.org/External Subdomain DataSketches
A-TITLE an open source, high-performance library of streaming algorithms commonly called "sketches" in the data sciences. Sketches are small, stateful programs that ...
http://deltaspike.apache.org/External Subdomain DeltaSpike
A-TITLE Portable CDI extensions that provide useful features for Java application developers
http://directory.apache.org/External Subdomain Directory
A-TITLE Apache Directory Server
http://dolphinscheduler.apache...External Subdomain DolphinScheduler
A-TITLE a distributed and extensible workflow scheduler platform with powerful DAG visual interfaces
http://doris.apache.org/External Subdomain Doris
A-TITLE a MPP-based interactive SQL data warehousing for reporting and analysis
http://drill.apache.org/External Subdomain Drill
A-TITLE Schema-free SQL Query Engine for Apache Hadoop, NoSQL and Cloud Storage
http://druid.apache.org/External Subdomain Druid
A-TITLE analytical database software
http://dubbo.apache.org/External Subdomain Dubbo
A-TITLE a high-performance, lightweight, java based RPC framework.
http://echarts.apache.org/External Subdomain ECharts
A-TITLE a charting and data visualization library written in JavaScript
http://empire-db.apache.org/External Subdomain Empire-db
A-TITLE Relational Data Persistence
http://eventmesh.apache.org/External Subdomain EventMesh
A-TITLE a fully serverless platform used to build distributed event-driven applications
http://felix.apache.org/External Subdomain Felix
A-TITLE OSGi Framework and components.
http://fineract.apache.org/External Subdomain Fineract
A-TITLE Platform for Digital Financial Services
http://flagon.apache.org/External Subdomain Flagon
A-TITLE thin-client behavioral logging capability useful for business analytics, usage analytics, usability and user testing
http://flex.apache.org/External Subdomain Flex
A-TITLE Application framework for expressive web applications that deploy to all major browsers, desktops and devices.
http://flink.apache.org/External Subdomain Flink
A-TITLE platform for scalable batch and stream data processing
http://flume.apache.org/External Subdomain Flume
A-TITLE A reliable service for efficiently collecting, aggregating, and moving large amounts of log data
http://fluo.apache.org/External Subdomain Fluo
A-TITLE Storage and incremental processing of large data sets
http://freemarker.apache.org/External Subdomain FreeMarker
A-TITLE a template engine.
http://geode.apache.org/External Subdomain Geode
A-TITLE Low latency, high concurrency data management solutions
http://geronimo.apache.org/External Subdomain Geronimo
A-TITLE Java2, Enterprise Edition (J2EE) container
http://gobblin.apache.org/External Subdomain Gobblin
A-TITLE a distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecyc...
http://gora.apache.org/External Subdomain Gora
A-TITLE ORM framework for column stores such as Apache HBase and Apache Cassandra with a specific focus on Hadoop
http://griffin.apache.org/External Subdomain Griffin
A-TITLE a data quality solution for big data, including both streaming and batch mode. It offers an unified process to measure data quality from different perspectiv...
http://groovy.apache.org/External Subdomain Groovy
A-TITLE A multi-faceted language for the Java platform
http://guacamole.apache.org/External Subdomain Guacamole
A-TITLE providing performant, browser-based remote access
http://gump.apache.org/External Subdomain Gump
A-TITLE Continuous integration of open source projects
http://hawq.apache.org/External Subdomain HAWQ
A-TITLE a Hadoop native SQL query engine that combines the key technological advantages of an MPP database with the scalability and convenience of Hadoop
http://hbase.apache.org/External Subdomain HBase
A-TITLE Apache Hadoop Database
http://hadoop.apache.org/External Subdomain Hadoop
A-TITLE Distributed computing platform
http://helix.apache.org/External Subdomain Helix
A-TITLE A cluster management framework for partitioned and replicated distributed resources
http://hive.apache.org/External Subdomain Hive
A-TITLE Data warehouse infrastructure using the Apache Hadoop Database
http://hop.apache.org/External Subdomain Hop
A-TITLE a platform for data orchestration
http://hc.apache.org/External Subdomain HttpComponents
A-TITLE Java toolset of low level HTTP components
http://hudi.apache.org/External Subdomain Hudi
A-TITLE providing atomic upserts and incremental data streams on Big Data
http://iceberg.apache.org/External Subdomain Iceberg
A-TITLE managing huge analytic datasets using a standard at-rest table format that is designed for high performance and ease of use
http://ignite.apache.org/External Subdomain Ignite
A-TITLE High-performance, integrated and distributed in-memory platform for computing and transacting on large-scale data sets in real-time
http://impala.apache.org/External Subdomain Impala
A-TITLE a high-performance distributed SQL engine
http://inlong.apache.org/External Subdomain InLong
A-TITLE a one-stop data integration framework that provides automatic, secure, and reliable data transmission capabilities. InLong supports both batch and stream dat...
http://incubator.apache.org/External Subdomain Incubator
A-TITLE Entry path for projects and codebases wishing to become part of the Foundation's efforts
http://iotdb.apache.org/External Subdomain IoTDB
A-TITLE an IoT native database with high performance for data management and analysis
http://jmeter.apache.org/External Subdomain JMeter
A-TITLE Java performance and functional testing
http://jspwiki.apache.org/External Subdomain JSPWiki
A-TITLE Leading open source WikiWiki engine, feature-rich and built around standard J2EE components (Java, servlets, JSP)
http://jackrabbit.apache.org/External Subdomain Jackrabbit
A-TITLE Content Repository for Java
http://james.apache.org/External Subdomain James
A-TITLE Java Apache Mail Enterprise Server
http://jena.apache.org/External Subdomain Jena
A-TITLE Java framework for building Semantic Web applications
http://johnzon.apache.org/External Subdomain Johnzon
A-TITLE JSR-353 compliant JSON parsing; modules to help with JSR-353 as well as JSR-374 and JSR-367
http://juneau.apache.org/External Subdomain Juneau
A-TITLE a toolkit for marshalling POJOs to a wide variety of content types using a common framework, and for creating sophisticated self-documenting REST interfaces ...
http://jclouds.apache.org/External Subdomain jclouds
A-TITLE Java cloud APIs and abstractions
http://kafka.apache.org/External Subdomain Kafka
A-TITLE Distributed publish-subscribe messaging system
http://karaf.apache.org/External Subdomain Karaf
A-TITLE Server-side OSGi distribution
http://kibble.apache.org/External Subdomain Kibble
A-TITLE an interactive project activity analyzer and aggregator
http://knox.apache.org/External Subdomain Knox
A-TITLE Simplify and normalize the deployment and implementation of secure Hadoop clusters
http://kudu.apache.org/External Subdomain Text duplicate Kudu
A-TITLE A distributed columnar storage engine built for the Apache Hadoop ecosystem
http://kvrocks.apache.org/External Subdomain Kvrocks
A-TITLE a distributed key-value NoSQL database, supporting the rich data structure
http://kylin.apache.org/External Subdomain Kylin
A-TITLE Extreme OLAP Engine for Big Data
http://kyuubi.apache.org/External Subdomain Kyuubi
A-TITLE a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses
http://libcloud.apache.org/External Subdomain Libcloud
A-TITLE Unified interface to the cloud
http://linkis.apache.org/External Subdomain Linkis
A-TITLE a distributed computation middleware to facilitate connection, governance and orchestration between the upper applications and the underlying data engines
http://logging.apache.org/External Subdomain Logging Services
A-TITLE Cross-language logging services
http://lucene.apache.org/External Subdomain Lucene
A-TITLE Search engine library
http://lucenenet.apache.org/External Subdomain Lucene.Net
A-TITLE Search engine library targeted at .NET runtime users.
http://madlib.apache.org/External Subdomain MADlib
A-TITLE Scalable, Big Data, SQL-driven machine learning framework for Data Scientists
http://mina.apache.org/External Subdomain MINA
A-TITLE Multipurpose Infrastructure for Network Application
http://mahout.apache.org/External Subdomain Mahout
A-TITLE Scalable machine learning library
http://manifoldcf.apache.org/External Subdomain ManifoldCF
A-TITLE Framework for connecting source content repositories to target repositories or indexes.
http://maven.apache.org/External Subdomain Maven
A-TITLE Java project management and comprehension tools
http://mesos.apache.org/External Subdomain Mesos
A-TITLE a cluster manager that provides efficient resource isolation and sharing across distributed applications
http://mnemonic.apache.org/External Subdomain Mnemonic
A-TITLE a transparent nonvolatile hybrid memory oriented library for Big data, High-performance computing, and Analytics
http://myfaces.apache.org/External Subdomain MyFaces
A-TITLE JavaServer(tm) Faces implementation and components
http://mynewt.apache.org/External Subdomain Mynewt
A-TITLE embedded OS optimized for networking and built for remote management of constrained devices
http://netbeans.apache.org/External Subdomain NetBeans
A-TITLE development environment, tooling platform, and application framework
http://nifi.apache.org/External Subdomain NiFi
A-TITLE Easy to use, powerful, and reliable system to process and distribute data
http://nutch.apache.org/External Subdomain Nutch
A-TITLE Open Source Web Search Software
http://nuttx.apache.org/External Subdomain NuttX
A-TITLE a mature, real-time embedded operating system (RTOS)
http://ofbiz.apache.org/External Subdomain OFBiz
A-TITLE Enterprise automation software
http://orc.apache.org/External Subdomain ORC
A-TITLE the smallest, fastest columnar storage for Hadoop workloads
http://olingo.apache.org/External Subdomain Olingo
A-TITLE OASIS OData protocol libraries
http://oozie.apache.org/External Subdomain Oozie
A-TITLE A workflow scheduler system to manage Apache Hadoop jobs.
http://openjpa.apache.org/External Subdomain OpenJPA
A-TITLE Object Relational Mapping for Java
http://openmeetings.apache.org/External Subdomain OpenMeetings
A-TITLE Web-Conferencing and real-time collaboration
http://opennlp.apache.org/External Subdomain OpenNLP
A-TITLE Machine learning based toolkit for the processing of natural language text
http://openoffice.apache.org/External Subdomain OpenOffice
A-TITLE An open-source, office-document productivity suite
http://openwebbeans.apache.org/External Subdomain OpenWebBeans
A-TITLE JSR-299 Context and Dependency Injection for Java EE Platform Implementation
http://openwhisk.apache.org/External Subdomain OpenWhisk
A-TITLE a platform for building serverless applications with functions
http://ozone.apache.org/External Subdomain Ozone
A-TITLE a distributed object store for Hadoop-based and Cloud-native environments
http://pdfbox.apache.org/External Subdomain PDFBox
A-TITLE Java library for working with PDF documents
http://plc4x.apache.org/External Subdomain PLC4X
A-TITLE a set of libraries for communicating with industrial programmable logic controllers (PLCs) using a variety of protocols but with a shared API
http://poi.apache.org/External Subdomain POI
A-TITLE Java API for OLE 2 Compound and OOXML Documents
http://parquet.apache.org/External Subdomain Parquet
A-TITLE columnar storage format available to any project in the Apache Hadoop ecosystem
http://perl.apache.org/External Subdomain Perl
A-TITLE Dynamic websites using Perl
http://petri.apache.org/External Subdomain Petri
A-TITLE assessment of, education in, and adoption of the Foundation's policies and procedures for collaborative development and the pros and cons of joining the Foun...
http://phoenix.apache.org/External Subdomain Phoenix
A-TITLE High performance relational database layer over Apache HBase for low latency applications
http://pig.apache.org/External Subdomain Pig
A-TITLE Platform for analyzing large data sets
http://pinot.apache.org/External Subdomain Pinot
A-TITLE distributed OLAP data store to provide Real-time Analytics to power wide variety of analytical use case
http://pivot.apache.org/External Subdomain Pivot
A-TITLE Rich Internet applications in Java
http://apr.apache.org/External Subdomain Portable Runtime (APR)
A-TITLE Apache Portable Runtime libraries
http://portals.apache.org/External Subdomain Portals
A-TITLE Portal technology
http://pulsar.apache.org/External Subdomain Pulsar
A-TITLE highly scalable, low latency messaging platform running on commodity hardware
http://qpid.apache.org/External Subdomain Qpid
A-TITLE Multiple language implementation of the latest Advanced Message Queuing Protocol (AMQP)
http://ranger.apache.org/External Subdomain Ranger
A-TITLE framework to enable, monitor and manage comprehensive data security across the Hadoop platform.
http://ratis.apache.org/External Subdomain Ratis
A-TITLE a highly customizable Raft protocol implementation in Java
http://rocketmq.apache.org/External Subdomain RocketMQ
A-TITLE a fast, low latency, reliable, scalable, distributed, easy to use message-oriented middleware, especially for processing large amounts of streaming data
http://roller.apache.org/External Subdomain Roller
A-TITLE Java blog server
http://royale.apache.org/External Subdomain Royale
A-TITLE improving developer productivity in creating applications for wherever Javascript runs (and other runtimes)
http://rya.apache.org/External Subdomain Rya
A-TITLE scalable storage, retrieval, and analysis of RDF data
http://singa.apache.org/External Subdomain SINGA
A-TITLE a distributed deep learning platform
http://sis.apache.org/External Subdomain Text duplicate SIS
A-TITLE Spatial Information System
http://samza.apache.org/External Subdomain Samza
A-TITLE distributed stream processing framework
http://santuario.apache.org/External Subdomain Santuario
A-TITLE XML Security in Java and C++
http://seatunnel.apache.org/External Subdomain SeaTunnel
A-TITLE a very easy-to-use ultra-high-performance distributed data integration platform that supports real-time synchronization of massive data
http://sedona.apache.org/External Subdomain Sedona
A-TITLE a big geospatial data processing engine. It provides an easy to use APIs for spatial data scientists to manage, wrangle, and process geospatial data
http://serf.apache.org/External Subdomain Serf
A-TITLE High performance C-based HTTP client library built upon the Apache Portable Runtime (APR) library
http://servicecomb.apache.org/External Subdomain ServiceComb
A-TITLE a microservice framework that provides a set of tools and components to make development and deployment of cloud applications easier.
http://servicemix.apache.org/External Subdomain ServiceMix
A-TITLE Enterprise Service Bus
http://shardingsphere.apache.org/External Subdomain ShardingSphere
A-TITLE a database clustering system providing data sharding, distributed transactions, and distributed database management
http://shenyu.apache.org/External Subdomain ShenYu
A-TITLE a Java native API Gateway for service proxy, protocol conversion and API governance
http://shiro.apache.org/External Subdomain Shiro
A-TITLE Powerful and easy-to-use application security framework
http://skywalking.apache.org/External Subdomain SkyWalking
A-TITLE application performance management and monitoring (APM)
http://sling.apache.org/External Subdomain Sling
A-TITLE Web Framework for JCR Content Repositories
http://solr.apache.org/External Subdomain Solr
A-TITLE highly scalable distributed document search and analytics
http://spamassassin.apache.org/External Subdomain SpamAssassin
A-TITLE Mail filter to identify spam
http://spark.apache.org/External Subdomain Spark
A-TITLE Fast and general engine for large-scale data processing
http://steve.apache.org/External Subdomain Steve
A-TITLE Python based single transferable vote software system
http://storm.apache.org/External Subdomain Storm
A-TITLE Distributed, real-time computation system
http://streampipes.apache.org/External Subdomain StreamPipes
A-TITLE a self-service Industrial IoT toolbox which enables non-technical users to connect, analyze and explore IoT data streams
http://streams.apache.org/External Subdomain Streams
A-TITLE interoperability of online profiles and activity feeds
http://struts.apache.org/External Subdomain Struts
A-TITLE Model 2 framework for building Java web applications
http://submarine.apache.org/External Subdomain Submarine
A-TITLE allowing infrastructure engineers and data scientists to build deep learning applications (TensorFlow, PyTorch, etc.) end to end on cluster management platfo...
http://subversion.apache.org/External Subdomain Subversion
A-TITLE Version Control
http://superset.apache.org/External Subdomain Superset
A-TITLE data exploration, analysis, visualization, and dashboarding
http://synapse.apache.org/External Subdomain Synapse
A-TITLE Enterprise Service Bus and Mediation Framework
http://syncope.apache.org/External Subdomain Syncope
A-TITLE Managing digital identities in enterprise environments
http://systemds.apache.org/External Subdomain SystemDS
A-TITLE A machine learning platform optimal for big data
http://tvm.apache.org/External Subdomain TVM
A-TITLE compilation of machine learning models to run on a wide range of hardware platforms
http://tapestry.apache.org/External Subdomain Tapestry
A-TITLE Component-based Java Web Application Framework
http://tcl.apache.org/External Subdomain Tcl
A-TITLE Dynamic websites using TCL
http://tez.apache.org/External Subdomain Tez
A-TITLE High-performance and scalable distributed data processing framework
http://thrift.apache.org/External Subdomain Thrift
A-TITLE Framework for scalable cross-language services development
http://tika.apache.org/External Subdomain Tika
A-TITLE Content Analysis and Detection Toolkit
http://tinkerpop.apache.org/External Subdomain TinkerPop
A-TITLE A graph computing framework for both graph databases (OLTP) and graph analytic systems (OLAP)
http://tomee.apache.org/External Subdomain TomEE
A-TITLE Java EE Web Profile built on Apache Tomcat
http://tomcat.apache.org/External Subdomain Tomcat
A-TITLE A Java Servlet and JSP Container
http://trafficcontrol.apache.org/External Subdomain Traffic Control
A-TITLE building, monitoring, configuring, and provisioning a large scale content delivery network (CDN)
http://trafficserver.apache.org/External Subdomain Traffic Server
A-TITLE A fast, scalable and extensible HTTP/1.1 compliant caching proxy server
http://tsfile.apache.org/External Subdomain TsFile
A-TITLE a columnar storage file format designed for time series data
http://turbine.apache.org/External Subdomain Turbine
A-TITLE A Java Servlet Web Application Framework and associated component library
http://uima.apache.org/External Subdomain UIMA
A-TITLE Framework and annotators for unstructured information analysis
http://unomi.apache.org/External Subdomain Unomi
A-TITLE providing a reference implementation of the OASIS Customer Data Platform specification currently being worked on by the OASIS Context Server Technical Commit...
http://vcl.apache.org/External Subdomain VCL
A-TITLE Virtual Computing Lab
http://velocity.apache.org/External Subdomain Velocity
A-TITLE A Java Templating Engine
http://ws.apache.org/External Subdomain Web Services
A-TITLE Projects related to Web Services
http://whimsical.apache.org/External Subdomain Text duplicate Whimsy
A-TITLE Tools that help automate various administrative tasks or information lookup activities
http://wicket.apache.org/External Subdomain Wicket
A-TITLE Component-based Java Web Application Framework.
http://xmlgraphics.apache.org/External Subdomain XML Graphics
A-TITLE Conversion from XML to graphical output
http://xalan.apache.org/External Subdomain Xalan
A-TITLE XSLT processors in Java and C++
http://xerces.apache.org/External Subdomain Xerces
A-TITLE XML parsers in Java, C++ and Perl
http://yetus.apache.org/External Subdomain Yetus
A-TITLE Collection of libraries and tools that enable contribution and release processes for software projects
http://yunikorn.apache.org/External Subdomain YuniKorn
A-TITLE a standalone resource scheduler responsible for scheduling batch jobs and long-running services on large scale distributed systems running in on-premises env...
http://zeppelin.apache.org/External Subdomain Zeppelin
A-TITLE A web-based notebook that enables interactive data analytics
http://zookeeper.apache.org/External Subdomain ZooKeeper
A-TITLE Centralized service for maintaining configuration information
https://community.apache.org/New window External Subdomain Text duplicate Contributor Getting Started
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/foundation/policies/conductText duplicate Code of Conduct
/community-resources/Text duplicate Community Resources
https://communityovercode.org/New window External Text duplicate Community Over Code
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https://incubator.apache.org/New window External Subdomain Text duplicate Incubator Projects
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https://www.apache.org/securityText duplicate Report a Vulnerability
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https://projects.apache.org/re...New window External Subdomain Text duplicate Releases
https://status.apache.org/New window External Subdomain Text duplicate Infrastructure Status
https://infra-reports.apache.org/New window External Subdomain Anchor Text duplicate Infrastructure Statistics
https://news.apache.org/New window External Subdomain Text duplicate Blog
/foundation/how-it-worksText duplicate How the ASF Works
/theapacheway/Text duplicate The Apache Way
https://www.apache.org/legal/Text duplicate Legal & Trademark
https://www.apache.org/licensesText duplicate Licenses
/foundation/glossaryText duplicate Glossary
/foundation/faqText duplicate FAQ
https://www.apache.org/dev/Text duplicate Developer Information
https://cwiki.apache.org/New window External Subdomain Text duplicate Wiki
https://issues.apache.org/New window External Subdomain Text duplicate Issues
https://infra.apache.org/slack...New window External Subdomain Text duplicate Slack
https://selfserve.apache.org/New window External Subdomain Text duplicate Self Serve Portal
https://infra.apache.org/New window External Subdomain Text duplicate Infrastructure
https://whimsy.apache.org/New window External Subdomain Text duplicate Whimsy
/foundation/press/kit/Text duplicate Brand Guidelines
https://www.apache.org/logos/Text duplicate Project Logos
/foundation/Text duplicate About
/foundation/sponsorsText duplicate Our Sponsors
/foundation/sponsorshipText duplicate Corporate Sponsorship
/foundation/individual-supportersText duplicate Individual Supporters
/foundation/leadershipText duplicate Leadership
/foundation/membersText duplicate Members
https://diversity.apache.org/New window External Subdomain Text duplicate Diversity & Inclusion
https://www.apache.org/press/Text duplicate Newsroom
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