Async GitHub Repositories (2026) · Open Source Tools

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Modern embedded framework, using Rust and async.

NVIDIA's CUDA platform for Rust. Host runtime crates plus Tile (cutile-rs) and SIMT (cuda-oxide) kernel programming models in idiomatic Rust.

Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

PostgreSQL-based Task Queue for Python

The little ASGI framework that shines. 🌟

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Fast proxy scraper and checker written in Rust. Collects HTTP, SOCKS4 and SOCKS5 proxies from any number of sources, verifies each one really works, and writes JSON and plain text with response time, exit IP, ASN and geolocation. Single binary for Windows, Linux, macOS and Android, with an interactive TUI.

A native gRPC client & server implementation with async/await support.

Framework for quickly creating connected applications in Kotlin with minimal effort

KrakenD Community Edition: High-performance, stateless, declarative, API Gateway written in Go.

Notion API client SDK, rewritten in Python! (sync + async)

Library support for Kotlin coroutines

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

Production-ready C++ Asynchronous Framework with rich functionality

Async utilities for node and the browser

Node.js test runner that lets you develop with confidence 🚀

Asynchronous, non-blocking HTTP & WebSocket client for the JVM

Data ingestion layer for distributed systems: typed contracts, safe schema evolution and one place to see and manage every node. From microcontroller to cloud.

A powerful web framework built with a simplified design.