ReactiveX / RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

ReactiveX / RxAndroid

RxJava bindings for Android

reactiveui / ReactiveUI

A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.

LFDT-web3j / web3j

Lightweight Java and Android library for integration with Ethereum clients

ReactiveX / RxPY

ReactiveX for Python

monix / monix

Asynchronous, Reactive Programming for Scala and Scala.js.

reactivemarbles / DynamicData

Reactive collections based on Rx.Net

samber / ro

🏎️ Streams & Reactive Programming paradigm for Go: declarative and composable API for event-driven applications

reactiveui / Camelotia

A cross-platform sample application built with ReactiveUI. Camelotia is a file manager for cloud storage providers and local file systems, demonstrating reactive MVVM architecture, testable view models and shared code across desktop UI frameworks.