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KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.
A Node.js module for sending notifications on native Mac, Windows and Linux (or Growl as fallback)
A Rust HTTP server for Python applications
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, MCP and admin UI built on Rust, SQLite (PG) & Wasmtime.
PartyKit simplifies developing multiplayer applications
Pagination library for Rails and other Ruby applications
A small, lightweight, embeddable HTTP server for Mac OS X or iOS applications
👨🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
Socket.IO integration for Flask applications.
🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications
canonical libwebsockets.org networking library
Android library to handle jobs in the background.
The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.
Decorators/View-Models for Rails Applications
Use full ES2015+ features to develop Node.js applications, Support TypeScript.
Run Express and other Node.js frameworks on AWS Serverless technologies such as Lambda, API Gateway, Lambda@Edge, and more.
The JSON Schema specification
Zero-modification Human-in-the-Loop adapter for OpenOPC's agentic DAG runtime.
Rails for API only applications
A Powerful and All-in-One MQTT 5.0 client toolbox for Desktop, CLI and WebSocket.
Canonical actor model implementation for .NET with local + distributed actors in C# and F#.
LoopBack makes it easy to build modern API applications that require complex integrations.
A fast and robust web server and application server for Ruby, Python and Node.js
TranslatedAn open-source push notification service that needs no app; on iOS 14+ just scan a QR code and use it. It also supports Quick Apps, iOS and Mac clients, an Android client, and self-made devices