# WasmHub

> Open-source WASM Hub of language runtimes — download, cache, and verify versioned WebAssembly runtimes for Go, Rust, and more.

This site documents WasmHub, an open-source hub for versioned WebAssembly language runtimes. It is usable as a Rust library, a CLI tool, and via CDN. The pages below cover installation, the CLI, the Rust API, the manifest format, the runtime download/cache architecture, and the contributor guide for adding new runtimes.

## Docs

- [Adding a Runtime](https://anistark.github.io/wasmhub/adding-a-runtime/): End-to-end guide for contributors adding a new language runtime
- [Architecture](https://anistark.github.io/wasmhub/architecture/): How WasmHub runtimes flow from source to your cache
- [CLI Reference](https://anistark.github.io/wasmhub/cli/): All wasmhub commands, flags, and examples
- [Getting Started](https://anistark.github.io/wasmhub/getting-started/): Install WasmHub and download your first runtime
- [Library Guide](https://anistark.github.io/wasmhub/library/): Use WasmHub as a Rust library
- [Manifest Format](https://anistark.github.io/wasmhub/manifest-format/): JSON schema for per-language and global manifests
- [Go runtime](https://anistark.github.io/wasmhub/runtimes/go/): Go WASM runtime built with TinyGo
- [Runtimes](https://anistark.github.io/wasmhub/runtimes/): Available WASM language runtimes
- [Node.js runtime](https://anistark.github.io/wasmhub/runtimes/nodejs/): JavaScript runtime for WASM, built with QuickJS targeting WASI
- [Rust runtime](https://anistark.github.io/wasmhub/runtimes/rust/): Rust WASM runtime built with the wasm32-wasip1 target
- [swc transpiler](https://anistark.github.io/wasmhub/runtimes/swc/): TypeScript → JavaScript transpiler for WASM, built from swc_core targeting WASI


## Source

- [GitHub repository](https://github.com/anistark/wasmhub): source code, issue tracker, and markdown sources for every page on this site
- [crates.io](https://crates.io/crates/wasmhub): published Rust crate
- [API reference (docs.rs)](https://docs.rs/wasmhub): generated Rust API documentation

## Optional

- [Full documentation as a single file](https://anistark.github.io/wasmhub/llms-full.txt): every page concatenated as plain markdown, useful for pasting the whole docs into an LLM context window