Open Source WebAssembly Projects
WebAssembly (Wasm) is a portable binary format and execution environment for running compiled code across different platforms. It enables languages beyond JavaScript to run in web browsers and other runtimes, often with performance suited to compute-intensive tasks. Its compact format and sandboxing can help developers deliver cross-platform software while limiting access to system resources. WebAssembly is used for browser applications, command-line tools, server-side workloads, and embedded environments.
Open source tools in this area include compilers, runtimes, language toolchains, libraries, and debugging utilities. When choosing one, consider supported languages and platforms, runtime compatibility, security model, license, maintenance activity, and how easily it integrates with existing code and deployment workflows. These tools are useful to web developers, systems programmers, and teams seeking portable components or ways to run specialized workloads in constrained environments.
3 repositories · updated September 3, 2026
Wasm Agents Blueprint: Run Python AI Agents in Your Browser with WebAssembly
Wasm Agents Blueprint is an innovative project from Mozilla AI that allows you to run Python-based AI agents directly in your web browser using WebAssembly (Wasm) and Pyodide. It bridges the gap between powerful Python AI frameworks, like the OpenAI Agents SDK, and browser-based applications. This blueprint eliminates the need for complex server setups or Docker containers, offering a streamlined way to experience AI agents.
tau: Fullstack Workspace for Building and Deploying Cloud-Native Applications
tau is an open-source, Git-native platform-as-a-service (PaaS) designed for building, deploying, and scaling applications. It allows users to define infrastructure directly in Git, eliminating the need for complex API calls. This self-hosted solution offers capabilities akin to Vercel, Firebase, and Cloudflare, with integrated AI features.
Chili3D: A Powerful Web-Based 3D CAD Application for Online Design
Chili3D is an open-source, browser-based 3D CAD application built with TypeScript. It leverages OpenCascade compiled to WebAssembly and Three.js to deliver near-native performance for online 3D model design and editing. This powerful tool allows users to create, modify, and render complex models directly in their browser, eliminating the need for local software installation.