The Apache® Software Foundation (ASF) provides software for the public good, guided by community over code. Like the enduring oak tree, our projects thrive through the contributions of thousands …

The Foundation’s community practices are considered industry standards, including the widely adopted Apache License 2.0, the incubator program, and a consensus-driven decision model that enables …

The documentation is available is several formats. Downloadable formats including Windows Help format and offline-browsable html are available from our distribution mirrors. Online browsable …

The bulk of ASF projects are TLPs. To become a TLP, a project must first successfully graduate from the Apache Incubator. Incubating projects–also called “podlings”–have yet to build a sustainable …

May 19, 2025 · These installers and packages are provided by various NetBeans committers as a convenience. While built using the Apache NetBeans release, they are not releases of the Apache …

See Version lifecycle and maintenance policy for more information about the maintenance lifecycle of log4net versions.

Nov 12, 2025 · For more on streams, check out the Apache Kafka Streams documentation, including some helpful new tutorial videos. Operating Kafka at scale requires that the system remain …

Apache Spark is a unified analytics engine for large-scale data processing. It provides high-level APIs in Java, Scala, Python and R, and an optimized engine that supports general execution graphs.

The directories and files linked below are a historical archive of software released by Apache Software Foundation projects. THEY MAY BE UNSUPPORTED AND UNSAFE TO USE Current releases can …

REST Catalog Spec REST Catalog API Specification Iceberg defines a REST-based Catalog API for managing table metadata and performing catalog operations. You can find the OpenAPI specification …