bellard/quickjs

Health v2 · maintenance only

Flags: no_releases no_license no_readme

Adoption not part of the score

10947 stars · 1146 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

QuickJS is a small, embeddable JavaScript engine written in C that supports the ES2025 specification with near-complete test262 conformance. It includes a fast interpreter with very low startup time, a command-line REPL, and tools to compile JavaScript sources into standalone executables.

Use cases

• embed a JavaScript scripting engine in a C application
• run JavaScript with minimal memory and startup overhead
• compile JavaScript to a standalone executable
• evaluate ES2025 features in a lightweight engine
• add scripting/plugin support to embedded or IoT devices
• run JS on multiple platforms from a single binary

When to choose

• you need a tiny, dependency-free JS engine with a few C files
• low startup time and deterministic memory usage matter
• you target embedded, IoT, or resource-constrained environments
• you want near-complete ES2025 conformance in a small footprint

When to avoid

• you need a JIT-compiled engine for maximum throughput (use V8 or SpiderMonkey)
• you need browser APIs like DOM or WebAssembly runtime out of the box
• you need a large ecosystem of npm tooling and debugging integrations
• you require long-term LTS support from a vendor

Facets

library · maturity active

interpreter compiler cli embedded programming-languages developer-tools embedded-systems cross-platform windows bsd cross-platform cli c embedded wasm javascript-engine es2025 embeddable small-footprint interpreter scripting linux macos

Member repositories

For agents

markdown · JSON · MCP: product_card(name="bellard/quickjs")