Reactivex GitHub Repositories (2026) · Open Source Tools

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

ReactiveX for Python

Reactive collections based on Rx.Net

Implementation of async observable/observer (Reactive Programming) in C++ with care about performance and templates in mind in ReactiveX approach

Reactive validation for ReactiveUI view models. Declare validation rules as observables over properties and bind the results to views on any supported .NET platform.

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.