i ideas / repo launcher
elysiajs avatar

elysiajs/elysia

★ 19,347TypeScriptMIT88

Ergonomic Framework for Humans

What it is

TypeScript with End-to-End Type Safety, type integrity, and exceptional developer experience. Supercharged by Bun.

When to use it

Reach for elysia when you need a server, API layer, runtime, job queue or realtime channel — it's written in TypeScript and fits stacks tagged bun, framework, http, server.

Category
Backend & APIs
Also in
—
Stars
19,347
Forks
611
Last push
today
Created
2022-12-04
Open issues
416
Website
elysiajs.com
#bun#framework#http#server#typescript#web

Quick start

$ git clone https://github.com/elysiajs/elysia.git

Hand it to your AI

Read https://ideas.asveas.com/r/elysiajs/elysia.md and help me add elysiajs/elysia to my project. Explain the setup steps for my stack and show the minimal code to get it working.
Backend & APIsMarkdown .mdOpen on GitHub ↵

Alternatives to elysia

All Backend & APIs →
fastapi avatarfastapiFastAPI framework, high performance, easy to learn, fast to code, ready for production★ 105koven-sh avatarbunIncredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one★ 96.7ksocketio avatarsocket.ioBidirectional and low-latency communication for every platform★ 63.2kappwrite avatarappwriteThe open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more★ 58kdenoland avatardenoA modern runtime for JavaScript and TypeScript.★ 109ktrpc avatartrpc🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.★ 40.8k

Pairs well with

honojs avatarhonoWeb framework built on Web Standards★ 32.9kpuppeteer avatarpuppeteerJavaScript API for Chrome and Firefox★ 95.8kheygen-com avatarhyperframesWrite HTML. Render video. Built for agents.★ 82.8khoppscotch avatarhoppscotchOpen-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia★ 80.8kwithastro avatarastroThe web framework for content-driven websites.★ 63.9knuxt avatarnuxtThe full-stack Vue framework.★ 61.1k

FAQ

What is elysia?

elysiajs/elysia is a backend tool on GitHub: Ergonomic Framework for Humans TypeScript with End-to-End Type Safety, type integrity, and exceptional developer experience.

When should I use elysia?

Reach for elysia when you need a server, API layer, runtime, job queue or realtime channel — it's written in TypeScript and fits stacks tagged bun, framework, http, server.

What are the best alternatives to elysia?

Popular alternatives in Backend & APIs: fastapi/fastapi (105k★), oven-sh/bun (96.7k★), socketio/socket.io (63.2k★), appwrite/appwrite (58k★), denoland/deno (109k★).

Is elysia actively maintained?

elysiajs/elysia looks very actively maintained: the last push was today (2026-11-11), with 19,347 stars and 416 open issues.

What license does elysia use?

elysiajs/elysia is published under the MIT license. Check the repository's LICENSE file before commercial use.