Apache Airflow is an open-source platform to programmatically author, schedule, and monitor workflows. Airflow uses directed acyclic graphs (DAGs) to manage ...
Apache Ant is a Java-based build tool and library developed by the Apache Software Foundation, used to automate software build processes. It uses XML-based b...
Apache APISIX is a dynamic, real-time, high-performance cloud-native API gateway built on NGINX and etcd, developed by the Apache Software Foundation. It sup...
Apache Arrow is a cross-language development platform for in-memory analytics developed by the Apache Software Foundation. It specifies a standardized, langu...
Apache Avro is a data serialization system that provides rich data structures, a compact binary format, and container files for storing persistent data. Avro...
Apache Beam is a unified, open-source programming model developed by the Apache Software Foundation for defining both batch and streaming data processing pip...
Apache Calcite is a dynamic data management framework developed by the Apache Software Foundation that provides SQL parsing, query planning and optimization,...
Apache Camel is an open-source integration framework developed by the Apache Software Foundation that implements Enterprise Integration Patterns (EIPs) for c...
Apache Cassandra is a highly scalable, distributed open-source NoSQL database designed to handle massive amounts of data across many commodity servers, provi...
Apache Cordova is an open-source mobile development framework governed by the Apache Software Foundation that enables developers to build mobile applications...
Apache CouchDB is an open-source distributed document-oriented NoSQL database governed by the Apache Software Foundation. It uses JSON for data storage, a RE...
Apache Curator is a Java/JVM client library for Apache ZooKeeper, governed by the Apache Software Foundation, that provides a high-level API framework, fluen...
Apache CXF is an open-source Java services framework governed by the Apache Software Foundation that helps build and develop web services using JAX-WS (SOAP)...
Apache Derby is an open-source relational database implemented entirely in Java, formerly governed by the Apache Software Foundation (retired October 2025). ...
Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the Apache Software Foundation. It provides a DAG-base...
Apache Doris is a high-performance, real-time analytical database based on MPP (Massively Parallel Processing) architecture, governed by the Apache Software ...
Apache Druid is a high-performance, real-time analytics database governed by the Apache Software Foundation, designed for fast slice-and-dice OLAP queries on...
Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, traffic management, and observability capabilities ...
Apache EventMesh is a dynamic event-driven application runtime used to decouple the application and backend middleware layer, providing a serverless platform...
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log and event data. It pr...
Apache Geode is an in-memory data management platform that provides real-time, consistent access to data-intensive applications throughout widely distributed...
Apache Giraph is an iterative graph processing system built for high scalability on Apache Hadoop. It is modeled after Google's Pregel and provides a simple ...
Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at im...
Apache Guacamole is a clientless remote desktop gateway that supports standard protocols like VNC, RDP, and SSH. It requires no plugins or client software an...
Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable. It provides random, real-time read/write acc...
Apache Helix is a generic cluster management framework for partitioned and replicated distributed resources. It automates partition management, replication, ...
Apache Hive is a data warehouse software that facilitates reading, writing, and managing large datasets residing in distributed storage using SQL. It provide...
Apache HTTP Server (httpd) is the world's most widely used web server software. It serves static and dynamic content, acts as a reverse proxy and load balanc...
Apache HttpComponents is a set of Java HTTP components, including a feature-rich HTTP client (HttpClient 5.x) and HTTP server components. It provides connect...
Apache Hudi is a data lake platform that provides incremental data processing primitives including upserts and incremental queries. It manages storage of lar...
Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist deployment for various ...
Apache OpenMeetings is a web conferencing and collaboration tool that provides video conferencing, instant messaging, white board, collaborative document edi...
APIs and tools for working with Apache Parquet, the open source columnar storage format for efficient analytics workloads. This index covers the format speci...
Apache Pulsar is a cloud-native, distributed messaging and streaming platform that provides server-to-server messaging with multi-tenancy, high performance, ...
Apache ShardingSphere is an open-source ecosystem for distributed database systems providing data sharding, distributed transactions, and database governance...
The Apache Software Foundation (ASF) is a 501(c)(3) nonprofit organization that provides open source software for the public good. Home to more than 300 open...
APIs for the Apache Software Foundation (ASF), a nonprofit organization that supports the development of open-source software projects under the Apache Licen...
Apache Thrift is a cross-language RPC framework originally developed at Facebook for scalable cross-language services development. It provides a lightweight,...
Apache Tomcat is an open-source implementation of the Jakarta Servlet, Jakarta Server Pages, and other Jakarta EE technologies, providing a pure Java HTTP we...
Apache Subversion (SVN) is a centralized version control system that tracks changes to files and directories over time. It supports atomic commits, directory...