List of Apache Software Foundation projects

• Incubator: for aspiring ASF projects
• Attic: for retired ASF projects
• : a place for innovation where committees of the foundation can experiment with new ideas
• : provides and manages all infrastructure and services for the Apache Software Foundation, and for each project at the Foundation

  Active projects

• Accumulo: secure implementation of Bigtable
• ActiveMQ: message broker supporting different communication protocols and clients, including a full Java Message Service 1.1 client.
• Airavata: Apache Airavata is a distributed system software framework to manage simple to composite applications with complex execution and workflow patterns on diverse computational resources.
• Airflow: Apache Airflow is a platform to programmatically author, schedule and monitor workflows.
• Allura: Python-based open source implementation of a software forge
• Ambari: Apache Ambari makes Hadoop cluster provisioning, managing, and monitoring dead simple.
• Ant: Java-based build tool
• *AntUnit: The Ant Library provides Ant tasks for testing Ant task, it can also be used to drive functional and integration tests of arbitrary applications with Ant
• *Ivy: Apache Ivy is a very powerful dependency manager oriented toward Java dependency management, even though it could be used to manage dependencies of any kind
• *IvyDE: Integrate Ivy in Eclipse with the IvyDE plugin
• Any23: Anything To Triples is a library, a web service and a command line tool that extracts structured data in RDF format from a variety of Web documents.
• Apex: Enterprise-grade unified stream and batch processing engine.
• APR: Apache Portable Runtime, a portability library written in C
• Archiva: Build Artifact Repository Manager
• Aries: OSGi Enterprise Programming Model
• Arrow: "A high-performance cross-system data layer for columnar in-memory analytics".
• AsterixDB: Open source Big Data Management System
• Atlas: Scalable and extensible set of core foundational governance services
• Aurora: Mesos framework for long-running services and cron jobs
• Avro: Apache Avro is a data serialization system.
• Apache Axis Committee
• *Axis: open source, XML based Web service framework
• *Axis2: Apache Axis2 is a service hosting and consumption framework that makes it easy to use SOAP and Web Services
• *Rampart: implementation of the WS-Security standard for the Axis2 Web services engine
• *Sandesha2: Apache Sandesha2 is an Axis2 module implementing WS-RM.
• Bahir: Extensions to distributed analytic platforms such as Apache Spark
• Beam, an uber-API for big data
• Bigtop: Bigtop is a project for the development of packaging and tests of the Apache Hadoop ecosystem.
• Bloodhound: defect tracker based on Trac
• BookKeeper: A reliable replicated log service
• Brooklyn: Apache Brooklyn is a framework for modeling, monitoring, and managing applications through autonomic blueprints.
• Buildr: Apache Buildr is a build system for Java-based applications, including support for Scala, Groovy and a growing number of JVM languages and tools.
• BVal: Bean Validation API Implementation
• Calcite: dynamic data management framework
• Camel: declarative routing and mediation rules engine which implements the Enterprise Integration Patterns using a Java-based domain specific language
• CarbonData: Apache CarbonData is an indexed columnar data format for fast analytics on big data platform, e.g. Apache Hadoop, Apache Spark, etc.
• Cassandra : highly scalable second-generation distributed database
• Cayenne: Java ORM framework
• Celix: Implementation of the OSGi specification adapted to C and C++.
• Chemistry: Apache Chemistry provides open source implementations of the Content Management Interoperability Services specification.
• Chukwa: Chukwa is an open source data collection system for monitoring large distributed systems.
• Clerezza: Clerezza is a service platform which provides a set of functionality for management of semantically linked data accessible through RESTful Web Services and in a secured way
• CloudStack: software to deploy and manage cloud infrastructure
• Cocoon: XML publishing framework
• Commons: Reusable Java libraries and utilities too small to merit their own project
• *BCEL: Bytecode Engineering Library
• *Daemon: Commons Daemon
• *Jelly: Jelly is a Java and XML based scripting engine. Jelly combines the best ideas from JSTL, Velocity, DVSL, Ant and Cocoon all together in a simple yet powerful scripting engine.
• *Logging: Commons Logging is a thin adapter allowing configurable bridging to other, well known logging systems
• *OGNL: Object Graph Navigation Library
• Cordova: mobile development framework
• CouchDB: Document-oriented database
• Apache Creadur Committee
• *Rat: Apache Rat improves accuracy and efficiency when reviewing and auditing releases.
• *Tentacles: Apache Tentacles simplifies the job of reviewing repository releases consisting of large numbers of artifacts.
• *Whisker: Apache Whisker assists assembled applications to maintain correct legal documentation.
• Crunch: Provides a framework for writing, testing, and running MapReduce pipelines
• cTAKES: clinical "Text Analysis Knowledge Extraction Software" to extract information from electronic medical record clinical free-text
• Curator: Apache Curator builds on ZooKeeper and handles the complexity of managing connections to the ZooKeeper cluster and retrying operations.
• CXF: web services framework
• DataFu: Apache DataFu is a collection of libraries for working with large-scale data in Hadoop.
• Apache DB Committee
• *Derby: pure Java relational database management system
• *JDO: Java Data Objects, persistence for Java objects
• *Torque: ORM for Java
• DeltaSpike: DeltaSpike is a collection of portable Extensions for CDI Containers
• Apache Directory Committee
• *Directory: LDAP and Kerberos, entirely in Java.
• *Directory Server: An extensible, embeddable LDAP and Kerberos server, entirely in Java.
• *Directory Studio: The Eclipse based LDAP browser and directory client.
• *Fortress: A standards-based authorization platform that implements ANSI INCITS 359 Role-Based Access Control.
• *Kerby: Kerberos binding in Java.
• *LDAP API: An SDK for directory access in Java.
• *SCIMple is an implementation of SCIM v2.0 specification.
• DRAT: large scale code license analysis, auditing and reporting
• Drill: software framework that supports data-intensive distributed applications for interactive analysis of large-scale datasets
• Dubbo: high-performance, lightweight, java based RPC framework.
• Eagle: open source analytics solution for identifying security and performance issues instantly on big data platforms
• Empire-db: Apache Empire-db is a lightweight relational database abstraction layer and data persistence component
• Falcon: Data governance engine
• Felix: Implementation of the OSGi Release 5 core framework specification
• Fineract: Platform for Digital Financial Services
• Flex: cross-platform SDK for developing and deploying rich Internet applications.
• Flink: Fast and reliable large-scale data processing engine.
• Flume: large scale log aggregation framework
• Apache Fluo Committee
• *Fluo: Apache Fluo is a distributed processing system that lets users make incremental updates to large data sets.
• *Fluo Recipes: Apache Fluo Recipes build on the Fluo API to offer additional functionality to developers.
• *Fluo YARN: Apache Fluo YARN is a tool for running Apache Fluo applications in Apache Hadoop YARN.
• Forrest: documentation framework based upon Cocoon
• FreeMarker: FreeMarker is a template engine, i.e. a generic tool to generate text output based on templates. FreeMarker is implemented in Java as a class library for programmers.
• Geode: Low latency, high concurrency data management solutions
• Geronimo: Java EE server
• Giraph: scalable Graph Processing System
• Gora: The Apache Gora open source framework provides an in-memory data model and persistence for big data.
• Griffin: An open source Data Quality solution for Big Data, which supports both batch and streaming mode.
• Groovy: an object-oriented, dynamic programming language for the Java platform
• Guacamole: HTML5 web application for accessing remote desktops
• Gump: integration, dependencies, and versioning management
• Hadoop: Java software framework that supports data intensive distributed applications
• Hama: Hama is an efficient and scalable general-purpose BSP computing engine.
• HAWQ: Apache HAWQ is Apache Hadoop Native SQL. Advanced Analytics MPP Database for Enterprises.
• HBase: Apache HBase software is the Hadoop database. Think of it as a distributed, scalable, big data store.
• Helix: A cluster management framework for partitioned and replicated distributed resources
• Hive: The Apache Hive data warehouse software facilitates querying and managing large datasets residing in distributed storage.
• HTTP Server: The Apache HTTP Server application 'httpd'
• *mod_python: module that integrates the Python interpreter into Apache server. Deprecated in favour of mod_wsgi.
• Apache HttpComponents: Low-level Java libraries for HTTP
• Hudi: provides atomic upserts and incremental data streams on Big Data
• Ignite: Apache Ignite is an In-Memory Data Fabric providing in-memory data caching, partitioning, processing, and querying components.
• Impala: A high-performance distributed SQL engine
• Isis: Apache Isis is a framework for rapidly developing domain-driven apps in Java
• Jackrabbit: implementation of the Java Content Repository API
• JAMES: Java email and news server
• jclouds: open source multi-cloud toolkit for the Java platform
• Jena is an open source Semantic Web framework for Java
• JMeter: Pure Java application for load and functional testing
• Johnzon: JSR-353 compliant JSON parsing; modules to help with JSR-353 as well as JSR-374 and JSR-367
• JSPWiki: A feature-rich and extensible WikiWiki engine built around the standard J2EE components.
• Apache jUDDI Committee
• *Scout: Apache Scout is an implementation of the JSR 93.
• Juneau: A toolkit for marshalling POJOs to a wide variety of content types using a common framework
• Kafka : Message broker software
• Karaf: Apache Karaf is an OSGi distribution for server-side applications.
• Kibble: Apache Kibble is a suite of tools for collecting, aggregating and visualizing activity in software projects.
• Knox: A REST API Gateway for Hadoop Services
• Kudu: A distributed columnar storage engine built for the Apache Hadoop ecosystem
• Kylin: distributed analytics engine
• Lens: Unified Analytics Interface
• Libcloud: Apache Libcloud is a standard Python library that abstracts away differences among multiple cloud provider APIs.
• Apache Logging Services Committee
• *Chainsaw: Apache Chainsaw is a GUI log viewer.
• *Log4cxx: Apache log4cxx provides logging services for C++.
• *Log4j: Apache Log4j
• *Log4net: Apache log4net provides logging services for.NET.
• *Log4php: Apache log4php is a logging framework for PHP.
• Apache Lucene Committee
• *Lucene Core: A high-performance, full-featured text search engine library
• *Solr: enterprise search server based on the Lucene Java search library
• Lucene.Net: Lucene.Net is a port of the Lucene search engine library, written in C# and targeted at.NET runtime users.
• Lucy: The Apache Lucy search engine library provides full-text search for dynamic programming languages.
• MADlib: Scalable, Big Data, SQL-driven machine learning framework for Data Scientists
• Mahout: machine learning and data mining solution.
• ManifoldCF: Open-source software for transferring content between repositories or search indexes
• Marmotta: An Open Platform for Linked Data
• Maven: Java project management and comprehension tool
• *Doxia: Doxia is a content generation framework, which supports many markup languages.
• Mesos: open-source cluster manager
• MetaModel: Providing a common interface for discovery, exploration of metadata and querying of different types of data sources.
• Metron: Real-time big data security
• Apache MINA Committee
• *FtpServer: FTP server written entirely in Java
• *MINA: Multipurpose Infrastructure for Network Application, a framework to develop high performance and high scalability network applications.
• *SSHD: Apache SSHD is a 100% pure java library to support the SSH protocols on both the client and server side.
• *Vysper: Apache Vysper aims to be a modular, full featured XMPP server. Vysper is implemented in Java.
• Mnemonic: a transparent nonvolatile hybrid memory oriented library for Big data, High-performance computing, and Analytics
• Apache MyFaces Committee
• *MyFaces: JavaServer Faces implementation
• *Tobago: Set of user interface components based on JSF
• Mynewt: embedded OS optimized for networking and built for remote management of constrained devices
• NetBeans: development environment, tooling platform, and application framework
• NiFi: Easy to use, powerful, and reliable system to process and distribute data
• Nutch: a highly extensible and scalable open source web crawler
• ODE: Apache ODE is a WS-BPEL implementation that supports web services orchestration using flexible process definitions.
• OFBiz: Open for Business: enterprise automation software
• Olingo: Client and Server for OData
• OODT: Object Oriented Data Technology, a data management framework for capturing and sharing data
• Oozie: Oozie is a workflow scheduler system to manage Apache Hadoop jobs.
• Open Climate Workbench: A comprehensive suite of algorithms, libraries, and interfaces designed to standardize and streamline the process of interacting with large quantities of observational data and conducting regional climate model evaluations.
• OpenJPA: Java Persistence API Implementation
• OpenMeetings: Video conferencing, instant messaging, white board and collaborative document editing application.
• OpenNLP: natural language processing toolkit.
• OpenOffice: An open-source, office-document productivity suite
• OpenWebBeans: Dependency Injection Platform
• OpenWhisk: distributed Serverless computing platform
• ORC: A columnar file format for big data workloads
• Parquet: A general-purpose columnar storage format
• PDFBox: Java based PDF library
• Mod_perl: module that integrates the Perl interpreter into Apache server
• Phoenix: SQL layer on HBase
• Pig: A platform for analyzing large data sets on Hadoop
• Pivot: A platform for building rich internet applications in Java
• PLC4X: Universal API for communicating with programmable logic controllers
• POI: Poor Obfuscation Implementation, a library for reading and writing Microsoft Office formats
• Polygene: Exploration of Composite Oriented Programming for domain-centric application development
• Portals: web portal related software
• PredictionIO: PredictionIO is an open source 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.
• : Distributed pub-sub messaging system originally created at Yahoo
• Qpid: AMQP messaging system in Java and C++
• Ranger: A framework to enable, monitor and manage comprehensive data security across the Hadoop platform.
• REEF: A scale-out computing fabric that eases the development of Big Data applications on top of resource managers such as Apache YARN and Mesos.
• River: Apache River software provides a standards-compilani JINI service.
• RocketMQ: A fast, low latency, reliable, scalable, distributed, easy to use message-oriented middleware, especially for processing large amounts of streaming data
• Roller: Apache Roller is a full-featured, multi-user and group blog server suitable for both small and large blog sites.
• Royale: Improving developer productivity in creating applications for wherever Javascript runs
• Samza: Stream Processing Framework
• Santuario: XML Security in Java and C++
• Sentry: Fine grained authorization to data and metadata in Apache Hadoop
• Serf: High performance C-based HTTP client library built upon the Apache Portable Runtime library.
• ServiceComb: microservice framework that provides a set of tools and components to make development and deployment of cloud applications easier
• ServiceMix: enterprise service bus that supports JBI and OSGi
• Shiro: A simple to use Java Security Framework
• SINGA: A distributed deep learning library
• Spatial Information System : A library for developing geospatial applications
• SkyWalking: application performance management and monitoring
• Sling: Innovative Web framework based on JCR and OSGi
• SpamAssassin: email filter used to identify spam
• Spark: open source cluster computing framework
• Sqoop: A tool designed for efficiently transferring bulk data between Apache Hadoop and structured datastores such as relational databases.
• Stanbol: Software components for semantic content management
• Steve: Apache STeVe is a collection of online voting tools, used by the ASF, to handle STV and other voting methods.
• Storm: Apache Storm is a distributed real-time computation system.
• Streams: Interoperability of online profiles and activity feeds
• Struts: Java web applications framework
• Subversion: open source version control system
• Synapse: A lightweight and high-performance Enterprise Service Bus
• Syncope: Apache Syncope is an Open Source system for managing digital identities in enterprise environments.
• SystemML: Scalable machine learning
• Tajo: Relational data warehousing system. It using the hadoop file system as distributed storage.
• Tapestry: Component-based Java web framework
• Apache Tcl Committee
• *Tcl integration for Apache httpd
• *Rivet: Server-side Tcl programming system combining ease of use and power
• *Websh: Websh is a rapid development environment for building powerful, fast, and reliable web applications in Tcl
• Tez: Apache Tez is an effort to develop a generic application framework which can be used to process arbitrarily complex directed-acyclic graphs of data-processing tasks and also a re-usable set of data-processing primitives which can be used by other projects.
• Thrift : Interface definition language and binary communication protocol that is used to define and create services for numerous languages.
• Tika: content analysis toolkit for extracting metadata and text from digital documents of various types, e.g., audio, video, image, office suite, web, mail, and binary
• Tiles: Apache Tiles is a templating framework built to simplify the development of web application user interfaces.
• TinkerPop: A graph computing framework for both graph databases and graph analytic systems
• Tomcat: web container for serving servlets and JSP
• *Reusable Dialog Components Taglib: A framework for creating JSP taglibs that aid in rapid development of voice and multimodal applications.
• TomEE: Apache TomEE is an all-Apache Java EE 6 Web Profile stack for Apache Tomcat
• Traffic Control: Built around Apache Traffic Server as the caching software, Traffic Control implements all the core functions of a modern CDN.
• Traffic Server: HTTP/1.1 compliant caching proxy server.
• Trafodion: Webscale SQL-on-Hadoop solution enabling transactional or operational workloads on Apache Hadoop.
• Turbine: Turbine is a servlet based framework that allows Java developers to quickly build web applications.
• Twill: Use Apache Hadoop YARN's distributed capabilities with a programming model that is similar to running threads
• UIMA: unstructured content analytics framework
• Unomi: reference implementation of the OASIS customer data platform specification
• Usergrid: Usergrid is an open-source Backend-as-a-Service composed of an integrated distributed NoSQL database, application layer and client tier with SDKs for developers looking to rapidly build web and/or mobile applications.
• VCL: A cloud computing platform for provisioning and brokering access to dedicated remote compute resources.
• Apache Velocity Committee:
• *Anakia: Anakia is an XML transformation tool which uses JDOM and Velocity to transform XML documents into the format of your choice.
• *Texen: Texen is a general purpose text generating utility based on Apache Velocity and Apache Ant.
• *Velocity: Java template creation engine
• *Apache Velocity DVSL: A tool modeled after XSLT and intended for general XML transformations using the Velocity Template Language.
• *Apache Velocity Tools: Tools and infrastructure for the template engine
• VXQuery: Apache VXQuery implements a parallel XML Query processor.
• Apache Web Services Committee
• *Axiom: Apache Axiom is an XML object model supporting deferred parsing.
• *Woden: Apache Woden is used to develop a Java class library for reading, manipulating, creating and writing WSDL documents.
• Whimsy: Tools that display and visualize various bits of data related to ASF organizations and processes.
• Wicket: Component-based Java web framework
• Xalan: XSLT processors in Java and C++
• Xerces: validating XML parser
• Apache XML Graphics Committee
• *Batik: pure Java library for SVG content manipulation
• *FOP: Java print formatter driven by XSL formatting objects ; supported output formats include PDF, PS, PCL, AFP, XML, Print, AWT and PNG, and to a lesser extent, RTF and TXT
• *XML Graphics Commons: Common components for Apache Batik and Apache FOP
• XMLBeans: XML–Java binding tool
• Yetus: A collection of libraries and tools that enable contribution and release processes for software projects.
• Zeppelin: Zeppelin is a collaborative data analytics and visualization tool for distributed, general-purpose data processing systems
• ZooKeeper: Coordination service for distributed applications

  Incubating projects

• Amaterasu: framework providing continuous deployment for Big Data pipelines
• Annotator: provides annotation enabling code for browsers, servers, and humans
• BatchEE: JBatch implementation and a set of useful extensions for this specification
• BRPC: industrial-grade RPC framework for building reliable and high-performance services
• Crail: storage platform for sharing performance critical data in distributed data processing jobs at very high speed
• Daffodil: open-source implementation of the Data Format Description Language to convert between fixed format data and XML/JSON
• DataSketches: open source, high-performance library of stochastic streaming algorithms commonly called "sketches" in the data sciences
• DLab: platform for creating self-service, exploratory data science environments in the cloud using best-of-breed data science tools
• DolphinScheduler: a distributed ETL scheduling engine with powerful DAG visualization interface
• Doris: MPP-based interactive SQL data warehousing for reporting and analysis
• Druid: high performance analytics data store for event-driven data
• ECharts: charting and data visualization library
• Edgent: stream processing programming model and lightweight micro-kernel style runtime to execute analytics at devices on the edge or at the gateway
• Flagon: software tool usability testing platform
• Gobblin: distributed data integration framework that simplifies common aspects of big data integration
• Heron: real-time, distributed, fault-tolerant stream processing engine
• Hivemall: library for machine learning implemented as Hive UDFs/UDAFs/UDTFs
• Iceberg: table format for large, slow-moving tabular data
• IoTDB: data store for managing large amounts of time series data in industrial applications
• Livy: web service that exposes a REST interface for managing long running Spark contexts in your cluster
• Marvin-AI: open-source artificial intelligence platform
• Milagro: core security infrastructure for decentralized networks
• MXNet: Deep learning programming framework
• Myriad: enables co-existence of Hadoop YARN and Mesos together on the same cluster and allows dynamic resource allocations across both Hadoop and other applications running on the same physical data center infrastructure
• Nemo: data processing system
• Omid: flexible, reliable, high performant and scalable ACID transactional framework
• PageSpeed: series of open source technologies to help make the web faster by rewriting web pages to reduce latency and bandwidth
• Pinot: distributed columnar storage engine
• Pony Mail: mail-archiving, archive viewing, and interaction service
• Ratis: Java implementation for RAFT consensus protocol
• Rya: scalable RDF data management system built on top of Accumulo
• S2Graph: distributed and scalable OLTP graph database built on HBase
• SAMOA: collection of distributed streaming algorithms for the most common data mining and machine learning tasks
• SDAP: integrated data analytic center for Big Science problems
• ShardingSphere: ecosystem of transparent distributed database middleware, focusing on data sharding, distributed transaction and database orchestration
• Singa: distributed deep learning platform
• Spot: platform for network telemetry built on an open data model and Hadoop
• Superset: enterprise-ready web application for data exploration, data visualization and dashboarding
• Tamaya: highly flexible configuration solution based on an modular, extensible and injectable key/value based design
• Taverna: Scientific workflow system focusing on reproducibility and Web Services
• Tephra: system for providing globally consistent transactions on top of HBase and other storage engines
• Toree: provides applications with a mechanism to interactively and remotely access Spark
• Training: project aims to develop resources which can be used for training purposes in various media formats, languages and for various Apache and non-Apache target projects
• Tuweni: set of libraries and other tools to aid development of blockchain and other decentralized software in Java and other JVM languages
• TVM: full stack open deep learning compiler stack for CPUs, GPUs, and specialized accelerators
• Warble: distributed endpoint monitoring solution where the agent is hosted on your own hardware
• Weex: framework for building Mobile cross-platform high performance UI

Retired projects

• Abdera: implementation of the Atom Syndication Format and Atom Publishing Protocol
• ACE: a distribution framework that allows you to centrally manage and distribute software components, configuration data and other artifacts to target systems
• Beehive: Java visual object model
• Continuum: continuous integration server
• Click: simple and easy-to-use Java Web Framework
• Deltacloud: provides common front-end APIs to abstract differences between cloud providers
• DeviceMap: device Data Repository and classification API
• DirectMemory: off-heap cache for the Java Virtual Machine
• ECS: API for generating elements for various markup languages
• ESME: secure and highly scalable microsharing and micromessaging platform that allows people to discover and meet one another and get controlled access to other sources of information, all in a business process context
• Etch: cross-platform, language- and transport-independent RPC-like messaging framework
• Excalibur: Java inversion of control framework including containers and components
• Harmony: Java SE 5 and 6 runtime and development kit
• HiveMind: services and configuration microkernel
• iBATIS: Persistence framework which enables mapping sql queries to POJOs
• Jakarta: server side Java, including its own set of subprojects
• Jakarta Cactus: simple test framework for unit testing server-side java code
• Lenya: content management system based on Apache Cocoon
• Lucy: search engine library that provides full-text search for dynamic programming languages
• MRUnit: Java library that helps developers unit test Apache Hadoop map reduce jobs
• Muse: implementation of the WS-ResourceFramework, WS-BaseNotification, and WS-DistributedManagement specifications
• Oltu - Parent: OAuth protocol implementation in Java
• ORO: Regular Expression engine supporting various dialects
• Polygene: community based effort exploring Composite Oriented Programming for domain centric application development
• Regexp: Regular Expression engine  
• Shale: web application framework based on JavaServer Faces
• Shindig: OpenSocial container and helps you to start hosting OpenSocial apps quickly by providing the code to render gadgets, proxy requests, and handle REST and RPC requests
• Stratos: Platform-as-a-Service framework
• Tiles: templating framework built to simplify the development of web application
• Tuscany: SCA implementation, also providing other SOA implementations
• Wave: online real-time collaborative editing
• Whirr: set of libraries for running cloud services
• Wink: RESTFul web services based on JAX-RS specification
• Wookie: parser, server and plugins for working with W3C Packaged Web Apps
• Xindice: XML Database
• Zipkin: distributed tracing system