Retired Projects
This page lists all the Projects and Subprojects in The Apache Attic.
In the early years The Apache Attic accepted some Subprojects, but this is no longer the case and only Top Level Projects (projects with a PMC) are now accepted.
| Project | Type | Description | Retired |
|---|---|---|---|
| 1. Apache Abdera | PMC | Atom Publishing Protocol Implementation | Feb 2017 |
| 2. Apache Ace | PMC | Centralized life cycle management and deployment of OSGi based and related modular software artifacts for distribution | Dec 2017 |
| 3. Apache Any23 | PMC | Anything to Triples | Jun 2023 |
| 4. Apache Apex | PMC | Enterprise-grade unified stream and batch processing engine | Sep 2019 |
| 5. Apache Archiva | PMC | Build Artifact Repository Manager | Feb 2024 |
| 6. Apache Aurora | PMC | Mesos framework for long-running services and cron jobs | Feb 2020 |
| 7. Apache Avalon | PMC | Java software for component and container programming | Nov 2004 |
| 8. Apache Axis Sandesha2/C | Subproject | Sandesha2/C was a C implementation of the WS-ReliableMessaging specification. | Sep 2014 |
| 9. Apache Axis Savan/C | Subproject | Savan/C was a C implementation of WS-Eventing specification. | Sep 2014 |
| 10. Apache Axis Savan/Java | Subproject | Savan/Java was a Java implementation of WS-Eventing specification. | Sep 2014 |
| 11. Apache Bahir | PMC | Extensions to distributed analytic platforms such as Apache Spark | Jan 2024 |
| 12. Apache Beehive | PMC | Simple object model on J2EE and Struts using JSR-175 annotations | Nov 2009 |
| 13. Apache Bloodhound | PMC | Issue tracking, wiki and repository browser | Jul 2024 |
| 14. Apache Buildr | PMC | Simple and intuitive build system for Java applications | Jul 2022 |
| 15. Apache C++ Standard Library | PMC | C++ classes, templates, and functions essential for writing C++ programs | Jul 2013 |
| 16. Apache Chemistry | PMC | CMIS (Content Managment Interoperability Services) Clients and Servers | Feb 2022 |
| 17. Apache Chukwa | PMC | Open source data collection system for monitoring large distributed systems. | May 2020 |
| 18. Apache Clerezza | PMC | Semantically linked data for OSGi | Jun 2022 |
| 19. Apache Click | PMC | JEE web application framework | May 2014 |
| 20. Apache Cocoon | PMC | Web development framework: separation of concerns, component-based | Jan 2025 |
| 21. Apache Continuum | PMC | Continuous Integration and Build Server | May 2016 |
| 22. Apache Crunch | PMC | Simple and Efficient MapReduce Pipelines | Jun 2020 |
| 23. Apache DB ObJectRelationalBridge (OJB) | Subproject | OJB was an Object/Relational mapping tool that allowed transparent persistence for Java Objects against relational databases. | Jan 2011 |
| 24. Apache Deltacloud | PMC | API server and drivers necessary for connecting to cloud providers. | Jul 2015 |
| 25. Apache DeviceMap | PMC | Data repository containing device information, images and other relevant information for all sorts of mobile devices, e.g. smartphones and tablets. | Dec 2016 |
| 26. Apache DirectMemory | PMC | Off-heap cache for the Java Virtual Machine | Jul 2015 |
| 27. Apache DRAT | PMC | large scale code license analysis, auditing and reporting | Aug 2020 |
| 28. Apache Eagle | PMC | open source analytics solution for identifying security and performance issues instantly on big data platforms | Nov 2020 |
| 29. Apache ESME (Enterprise Social Messaging Environment) | PMC | Enterprise Social Messaging Environment | Jun 2013 |
| 30. Apache Etch | PMC | Cross-platform, language- and transport-independent RPC-like messaging framework | Jun 2016 |
| 31. Apache Excalibur | PMC | Inversion-of-control-style container development | Dec 2010 |
| 32. Apache Falcon | PMC | Data management and processing platform. | Jun 2019 |
| 33. Apache Forrest | PMC | Aggregated multi-channel documentation, separation of concerns | Feb 2020 |
| 34. Apache Giraph | PMC | Iterative graph processing system built for high scalability | Sep 2023 |
| 35. Apache Gora | PMC | ORM framework for column stores such as Apache HBase and Apache Cassandra with a specific focus on Hadoop | Mar 2025 |
| 36. Apache Hama | PMC | a Bulk Synchronous Parallel computing framework on top of Apache Hadoop | Apr 2020 |
| 37. Apache Harmony | PMC | Modular Java runtime with class libraries and associated tools | Nov 2011 |
| 38. Apache HAWQ | PMC | a Hadoop native SQL query engine that combines the key technological advantages of an MPP database with the scalability and convenience of Hadoop | Jul 2024 |
| 39. Apache HiveMind | PMC | Services and configuration microkernel | Mar 2009 |
| 40. Apache iBATIS | PMC | Data mapper framework to make it easier to use a relational database with object-oriented applications. | Jun 2010 |
| 41. Apache Jakarta | PMC | Diverse set of popular open source Java solutions | Dec 2011 |
| 42. Apache Jakarta Cactus | Subproject | Jakarta previously hosted Cactus, a simple test framework for unit testing server-side java code. | Aug 2011 |
| 43. Apache Jakarta ECS | Subproject | Jakarta previously hosted ECS (Element Construction Set), a Java API for generating elements for any of a variety of markup languages (examples included HTML 4. | Oct 2010 |
| 44. Apache Jakarta ORO | Subproject | Jakarta previously hosted ORO, a set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc. | Oct 2010 |
| 45. Apache Jakarta Regexp | Subproject | Jakarta previously hosted Regexp, a 100% Pure Java Regular Expression package. | Apr 2011 |
| 46. Apache Jakarta Slide | Subproject | Jakarta previously hosted Slide, a content repository which could serve as a basis for a content management system as well as other purposes. | Apr 2010 |
| 47. Apache Jakarta Taglibs | Subproject | Starting in 2000, Jakarta hosted the Jakarta Taglibs project, a large collection of JSP Tag Libraries. | Apr 2010 |
| 48. Apache Joshua | PMC | statistical and other forms of machine translation. | Nov 2021 |
| 49. Apache jUDDI | PMC | Java implementation of the Universal Description, Discovery, and Integration specification | Feb 2023 |
| 50. Apache Labs | PMC | A place for innovation where committers of the foundation can experiment with new ideas | Aug 2020 |
| 51. Apache Lens | PMC | Unified analytics platform | Aug 2020 |
| 52. Apache Lenya | PMC | an Open Source Java/XML Content Management System that came with revision control, multi-site management, scheduling, search, WYSIWYG editors, and workflow. | Apr 2015 |
| 53. Apache Lucy | PMC | Search engine library for dynamic languages | Jun 2018 |
| 54. Apache Marmotta | PMC | An Open Platform for Linked Data | Nov 2020 |
| 55. Apache MetaModel | PMC | common interface for discovery, exploration of metadata and querying of different types of data sources | Jun 2021 |
| 56. Apache Metron | PMC | Real-time big data security | Dec 2020 |
| 57. Apache Mnemonic | PMC | a transparent nonvolatile hybrid memory oriented library for Big data, High-performance computing, and Analytics | Feb 2025 |
| 58. Apache MRUnit | PMC | Java library that helps developers unit test Apache Hadoop map reduce jobs | Apr 2016 |
| 59. Apache MXNet | PMC | a flexible and efficient library for Deep Learning | Sep 2023 |
| 60. Apache ODE (Orchestration Director Engine) | PMC | Business Process Management (BPM), Process Orchestration and Workflow through service composition | Aug 2019 |
| 61. Apache Oltu | PMC | OAuth protocol implementation in Java | Mar 2018 |
| 62. Apache Onami | PMC | Development and maintenance of a set of Google Guice extensions | Jan 2016 |
| 63. Apache OODT | PMC | Object Oriented Data Technology (middleware metadata) | Apr 2023 |
| 64. Apache Oozie | PMC | A workflow scheduler system to manage Apache Hadoop jobs. | Feb 2025 |
| 65. Apache Open Climate Workbench | PMC | Climate model evaluation | Oct 2020 |
| 66. Apache Pivot | PMC | Rich Internet applications in Java | Jan 2025 |
| 67. Apache Polygene | PMC | Composite Oriented Programming for domain centric application development. | Dec 2018 |
| 68. Apache PredictionIO | PMC | a machine learning server built on top of state-of-the-art open source stack, that enables developers to manage and deploy production-ready predictive services for various kinds of machine learning tasks | Sep 2020 |
| 69. Apache Quetzalcoatl | PMC | Quetzalcoatl, or Quetz as it was more commonly known, was a project charged with the creation and maintenance of open-source software related to mod_python and the Python programming language. | Jun 2010 |
| 70. Apache Rave | PMC | Web and social mashup engine | Jan 2016 |
| 71. Apache REEF | PMC | Retainable Evaluator Execution Framework | Jul 2022 |
| 72. Apache River | PMC | Jini service oriented architecture | Feb 2022 |
| 73. Apache Sentry | PMC | Fine grained authorization to data and metadata in Apache Hadoop | Dec 2020 |
| 74. Apache Shale | PMC | Web application framework, fundamentally based on JavaServer Faces | May 2009 |
| 75. Apache Shindig | PMC | Opensocial Reference Implementation | Oct 2015 |
| 76. Apache Sqoop | PMC | Bulk Data Transfer for Apache Hadoop and Structured Datastores | Jun 2021 |
| 77. Apache Stanbol | PMC | Reusable components for semantic content management | Apr 2020 |
| 78. Apache Stratos | PMC | Highly-extensible Platform-as-a-Service (PaaS) framework | Jan 2017 |
| 79. Apache Streams | PMC | interoperability of online profiles and activity feeds | Oct 2024 |
| 80. Apache Submarine | PMC | allowing infrastructure engineers and data scientists to build deep learning applications (TensorFlow, PyTorch, etc.) end to end on cluster management platforms (like YARN/K8s) | May 2024 |
| 81. Apache Tajo | PMC | Big data warehouse system on Apache Hadoop | Sep 2020 |
| 82. Apache Tiles | PMC | A templating framework for web application user interfaces | Dec 2018 |
| 83. Apache Trafodion | PMC | webscale SQL-on-Hadoop solution enabling transactional or operational workloads. | Apr 2021 |
| 84. Apache Tuscany | PMC | An SCA based Service Composition Framework | May 2016 |
| 85. Apache Twill | PMC | Use Apache Hadoop YARN’s distributed capabilities with a programming model that is similar to running threads | May 2020 |
| 86. Apache Usergrid | PMC | The BaaS Framework you run | Dec 2021 |
| 87. Apache VXQuery | PMC | A parallel XQuery processor | Jan 2020 |
| 88. Apache Whirr | PMC | Libraries for running Cloud Services | Mar 2015 |
| 89. Apache Wink | PMC | RESTful Web services Framework | Apr 2017 |
| 90. Apache Wookie | PMC | Widgets for Applications | Mar 2016 |
| 91. Apache WS Muse | Subproject | An implementation of the OASIS Web Services Distributed Management (WSDM) family of specifications. | Jan 2013 |
| 92. Apache XML | PMC | Diverse set of popular open source XML solutions. | Apr 2012 |
| 93. Apache XML AxKit | Subproject | AxKit was an XML Application Server for Apache. | Aug 2009 |
| 94. Apache XML Crimson | Subproject | Crimson was a Java XML parser which supports XML 1. | Aug 2010 |
| 95. Apache XML Xang | Subproject | Xang was an XML Web Framework that aggregated multiple data sources, made that data URL addressable and defined custom methods to access that data. | Dec 2009 |
| 96. Apache XML Xindice | Subproject | Xindice was a native XML database. | Aug 2011 |