A lightweight WebAssembly runtime that is fast, secure, and standards-compliant
wit-component
Counted from the Cargo.toml manifests of the 26 indexed repositories that declare wit-component as a dependency — not download counts. Dependency data last verified 2026-08-13.
Crates that show up unusually often in wit-component projects. The most distinctive pairings rank first — crates these projects use far more than the average indexed Rust project does, not just crates that are popular everywhere. Each percentage is the share of wit-component projects that also use it.
An operating system for AI agents.
Astrid is a portable, capability-secure operating system for composable software.
Spin is the open source developer tool for building and running serverless applications powered by WebAssembly.
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.
Hyperlight is a lightweight Virtual Machine Manager (VMM) designed to be embedded within applications. It enables safe execution of untrusted code within micro virtual machines with very low latency and minimal overhead.
wasmCloud is an open source Cloud Native Computing Foundation (CNCF) project that enables teams to build, manage, and scale polyglot apps across any cloud, K8s, or edge.
CLI and Rust libraries for low-level manipulation of WebAssembly modules
Golem Cloud is the agent-native platform for building AI agents and distributed applications that never lose state, never duplicate work, and never require you to build infrastructure.
A language binding generator for WebAssembly interface types
JavaScript toolchain for working with WebAssembly Components
Durable & Deterministic Workflow Engine
A Cargo subcommand for creating WebAssembly components based on the component model proposal.
JS -> WebAssembly Component
Wasm component-native RPC framework
Tool for targetting the WebAssembly Component Model using Python
Virtual implementations of WASI APIs
WebAssembly Composition (WAC) tooling
The Wado Programming Language
Gravity is a host generator for WebAssembly Components. It currently targets Wazero, a zero dependency WebAssembly runtime for Go.
Aver is a programming language for auditable AI-written code
Command line linker for creating WebAssembly components
Implementation experiments as part of the design process of Starstream VM
A high-performance, next-generation Haxe compiler with tiered JIT compilation and native code generation
Structural linter with decree-based enforcement. No warnings, only compliance.