A lightweight stream processing library for Go
A powerful server and network library, including coroutine
Non-Blocking Reactive Foundation for the JVM
Building event-driven applications the easy way in Go
Stream Processing and Complex Event Processing Engine
All-in-one text de-duplication
Python Adaptive Signal Processing
The Refreshingly Simple C++ Dataflow Framework
Google Cloud Dataflow provides a simple, powerful model
Horizon is a realtime, open-source backend for JavaScript apps