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Apache

Apache Software Foundation projects with APIs.

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Apache ActiveMQ screenshot
Apache ActiveMQ

Apache ActiveMQ is an open-source, high-performance message broker written in Java, developed by the Apache Software

Apache Airflow screenshot
Apache Airflow

Apache Airflow is an open-source platform to programmatically author, schedule, and monitor workflows. Airflow uses directed acyclic graphs (DAGs) to manage ...

Apache Airflow screenshot
Apache Airflow

Apache Airflow is an open-source platform to programmatically author, schedule, and monitor workflows, developed

Apache Ant screenshot
Apache Ant

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 screenshot
Apache APISIX

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 screenshot
Apache Arrow

Apache Arrow is a cross-language development platform for in-memory analytics developed by the Apache Software Foundation. It specifies a standardized, langu...

Apache Atlas screenshot
Apache Atlas

Apache Atlas is a scalable and extensible set of core foundational data governance services developed by the

Apache Avro screenshot
Apache Avro

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 screenshot
Apache Beam

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 BookKeeper screenshot
Apache BookKeeper

Apache BookKeeper is a scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads

Apache Calcite screenshot
Apache Calcite

Apache Calcite is a dynamic data management framework developed by the Apache Software Foundation that provides SQL parsing, query planning and optimization,...

Apache Camel screenshot
Apache Camel

Apache Camel is an open-source integration framework developed by the Apache Software Foundation that implements Enterprise Integration Patterns (EIPs) for c...

Apache Cassandra screenshot
Apache Cassandra

Apache Cassandra is a highly scalable, distributed open-source NoSQL database designed to handle massive amounts of data across many commodity servers, provi...

Apache CloudStack screenshot
Apache CloudStack

Apache CloudStack is an open-source cloud computing platform developed by the Apache Software Foundation for

Apache Cordova screenshot
Apache Cordova

Apache Cordova is an open-source mobile development framework governed by the Apache Software Foundation that enables developers to build mobile applications...

Apache CouchDB screenshot
Apache CouchDB

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 screenshot
Apache Curator

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 screenshot
Apache CXF

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 screenshot
Apache Derby

Apache Derby is an open-source relational database implemented entirely in Java, formerly governed by the Apache Software Foundation (retired October 2025). ...

Apache DolphinScheduler screenshot
Apache DolphinScheduler

Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the Apache Software Foundation. It provides a DAG-base...

Apache Doris screenshot
Apache Doris

Apache Doris is a high-performance, real-time analytical database based on MPP (Massively Parallel Processing) architecture, governed by the Apache Software ...

Apache Druid screenshot
Apache Druid

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 screenshot
Apache Dubbo

Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, traffic management, and observability capabilities ...

Apache EventMesh screenshot
Apache EventMesh

Apache EventMesh is a dynamic event-driven application runtime used to decouple the application and backend middleware layer, providing a serverless platform...

Apache Flink screenshot
Apache Flink

Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded

Apache Flume screenshot
Apache Flume

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 screenshot
Apache Geode

Apache Geode is an in-memory data management platform that provides real-time, consistent access to data-intensive applications throughout widely distributed...

Apache Giraph screenshot
Apache Giraph

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 screenshot
Apache Groovy

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 screenshot
Apache Guacamole

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 screenshot
Apache HBase

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 screenshot
Apache Helix

Apache Helix is a generic cluster management framework for partitioned and replicated distributed resources. It automates partition management, replication, ...

Apache Hive screenshot
Apache Hive

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 screenshot
Apache HTTP Server

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 screenshot
Apache HttpComponents

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 screenshot
Apache Hudi

Apache Hudi is a data lake platform that provides incremental data processing primitives including upserts and incremental queries. It manages storage of lar...

Apache Iceberg screenshot
Apache Iceberg

Apache Iceberg is an open table format for large analytic datasets that provides ACID transactions, schema evolution,

Apache Log4j screenshot
Apache Log4j

Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist deployment for various ...

Apache Nutch screenshot
Apache Nutch

Apache Nutch is a highly extensible and scalable open-source web crawler software project built on Apache Hadoop

Apache OFBiz screenshot
Apache OFBiz

Apache OFBiz is an open-source enterprise resource planning (ERP) system providing a suite of integrated business

Apache Oozie screenshot
Apache Oozie

Apache Oozie is a workflow scheduler system for managing Apache Hadoop jobs. It enables users to define workflows

Apache OpenMeetings screenshot
Apache OpenMeetings

Apache OpenMeetings is a web conferencing and collaboration tool that provides video conferencing, instant messaging, white board, collaborative document edi...

Apache OpenNLP screenshot
Apache OpenNLP

Apache OpenNLP is a machine learning based toolkit for the processing of natural language text. It supports common

Apache OpenWhisk screenshot
Apache OpenWhisk

Apache OpenWhisk is an open-source serverless cloud platform that executes functions in response to events at

Apache ORC screenshot
Apache ORC

Apache ORC is a self-describing, type-aware columnar file format designed for Hadoop workloads. It provides high

Apache Ozone screenshot
Apache Ozone

Apache Ozone is a scalable, redundant, and distributed object store optimized for big data workloads. It provides

Apache Parquet screenshot
Apache Parquet

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 PDFBox screenshot
Apache PDFBox

Apache PDFBox is an open-source Java library for working with PDF documents. It allows creation of new PDF documents,

Apache Pig screenshot
Apache Pig

Apache Pig is a platform for analyzing large data sets that provides a high-level language (Pig Latin) for expressing

Apache Pinot screenshot
Apache Pinot

Apache Pinot is a real-time distributed OLAP datastore designed to deliver scalable real-time analytics with

Apache POI screenshot
Apache POI

Apache POI is a Java API for manipulating various file formats based upon the Office Open XML standards (OOXML)

Apache Pulsar screenshot
Apache Pulsar

Apache Pulsar is a cloud-native, distributed messaging and streaming platform that provides server-to-server messaging with multi-tenancy, high performance, ...

Apache Ranger screenshot
Apache Ranger

Apache Ranger is a framework to enable, monitor, and manage comprehensive data security across the Hadoop platform.

Apache RocketMQ screenshot
Apache RocketMQ

Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance, and reliability.

Apache Samza screenshot
Apache Samza

Apache Samza is a distributed stream processing framework that provides a simple API for building stateful stream

Apache SeaTunnel screenshot
Apache SeaTunnel

Apache SeaTunnel is a high-performance, distributed data integration platform that supports real-time and batch

Apache ServiceMix screenshot
Apache ServiceMix

Apache ServiceMix is a flexible, open-source integration container that unifies the features and functionality

Apache ShardingSphere screenshot
Apache ShardingSphere

Apache ShardingSphere is an open-source ecosystem for distributed database systems providing data sharding, distributed transactions, and database governance...

Apache Shiro screenshot
Apache Shiro

Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization,

Apache Software Foundation screenshot
Apache Software Foundation

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...

Apache Software Foundation screenshot
Apache Software Foundation

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 screenshot
Apache Thrift

Apache Thrift is a cross-language RPC framework originally developed at Facebook for scalable cross-language services development. It provides a lightweight,...

Apache Tomcat screenshot
Apache Tomcat

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...

Subversion screenshot
Subversion

Apache Subversion (SVN) is a centralized version control system that tracks changes to files and directories over time. It supports atomic commits, directory...