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

A reactive programming library for JavaScript

Reactive Programming in Swift

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

A fancy, easy-to-use and reactive self-hosted docker compose.yaml stack-oriented manager

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

The Reactive Extensions for JavaScript

Embeddable Postgres with real-time, reactive bindings.

Vert.x is a tool-kit for building reactive applications on the JVM

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

🍉 Reactive & asynchronous database for powerful React and React Native apps ⚡️

The open-source reactive database for app developers

A functional and reactive JavaScript framework for predictable code

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

Reactive State for Angular

Reactive Extensions for Unity

A reactive caching and data-binding framework. Riverpod makes working with asynchronous code a breeze.

The Reactive Extensions for .NET

Reactive Programming for Android

A progressive front-end framework for creating high-performance responsive reactive web applications!

Full-featured reactive state management without the boilerplate

Reactive primitives for Ethereum apps

Functional reactive programming library for TypeScript and JavaScript

Red is a next-generation programming language strongly inspired by Rebol, but with a broader field of usage thanks to its native-code compiler, from system programming to high-level scripting and cross-platform reactive GUI, while providing modern support for concurrency, all in a zero-install, zero-config, single ~1MB file!

Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

🎈 Simple reactive notebooks for Julia

Non-Blocking Reactive Foundation for the JVM

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

Reactive Extensions for the Go language.