Javascript runtimes

A list of JavaScript runtimes and the engines they use.

• Node.js (V8)
• Deno (V8)
• Bun (JavaScript core - webkit's engine)
• Workerd (Cloudflare, V8)
• llrt (Amazon, QuickJS), github.com/awslabs/llrt
• WinterJS (Wasmer, Spider Money)
• Edge Runtime (Vercel, V8)
• Lagon (Vercel Acquired, V8)
• Compute @​edge (Fastly, Spider Monkey)
• Edge Compute (Alibaba V8)
• Hermes (Facebook)
• Bloomberg (v8, Internal)
• Bytedance (v8, Internal)
• txiki (QuickJS)
• holepunch (V8) via 🦋 @ramage.in, github.com/holepunchto/bare

Engines

QuickJS

"a very small JS engine from Farice Bellard - the genius behind ffmpeg" via @wesbos

Boa

github.com/boa-dev/boa

"Boa is an experimental JS engine written in Rust" via @alexchamberlain