# Reactive Streams

> For the complete documentation index, see [llms.txt](https://www.jetbrains.com/help/idea/llms.txt).

Support for developing applications with the help of [Reactive Streams](https://www.reactive-streams.org/) is not bundled with IntelliJ IDEA. You can install the [Reactive Streams plugin](https://plugins.jetbrains.com/plugin/20201-reactive-streams) from JetBrains Marketplace as described in [Plugins](managing-plugins.html).

You can find the documentation for Reactive Streams in [earlier versions of IntelliJ IDEA Help](https://www.jetbrains.com/help/idea/2025.2/reactor.html).