Backend & APIs
HTTP frameworks, runtimes, RPC, background jobs and realtime infrastructure.
Use these when you need a server, API layer, runtime, job queue or realtime channel.
Ranked by vibe score
fastapiFastAPI framework, high performance, easy to learn, fast to code, ready for production★ 105k
bunIncredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one★ 96.7k
socket.ioBidirectional and low-latency communication for every platform★ 63.2k
appwriteThe open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more★ 58k
denoA modern runtime for JavaScript and TypeScript.★ 109k
trpc🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.★ 40.8k
honoWeb framework built on Web Standards★ 32.9k
expressFast, unopinionated, minimalist web framework for node.★ 69.6k
elysiaErgonomic Framework for Humans★ 19.3k
trigger.devTrigger.dev – build and deploy durable AI agents and workflows★ 16.7kAlso useful here
hoppscotchOpen-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia★ 80.8k
brunoOpensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)★ 48.3k
zodTypeScript-first schema validation with static type inference★ 44.3k
pocketbaseOpen Source realtime backend in 1 file★ 61.6kWhat are the best backend & apis repositories?
By vibe score (popularity, freshness and hygiene), the top Backend & APIs picks are fastapi/fastapi (105k★), oven-sh/bun (96.7k★), socketio/socket.io (63.2k★), appwrite/appwrite (58k★), denoland/deno (109k★).
When do I need backend & apis?
Use these when you need a server, API layer, runtime, job queue or realtime channel.