Webassembly GitHub Repositories (2026) · Open Source Tools

A spicy little typing game & typing test for your terminal and browser — sprint, blitz, zen, survival and floor-is-lava modes

Office-style Ribbon control for Uno Platform: adaptive layouts, contextual tabs, backstage, Quick Access Toolbar, KeyTips, galleries, theming and full MVVM support.

Open-source engine that runs The X-Files Game (1998) on modern PCs and in the browser. Rust + SDL2 + WebAssembly.

On-device voice isolation, wake words, voice activity and voiceprints. In the browser (WebAssembly) and in Python, with plugins for LiveKit Agents and Pipecat. Apache-2.0 code and weights.

Develop and debug FoloToy AI Passport firmware without the device: an ESP32-C3 emulator that runs unmodified ESP-IDF images in the browser (WebAssembly) or on macOS and Windows, with a CLI and an MCP server for AI agents.

In-memory graph database and Gremlin traversal engine in Rust: browser playground, CLI, MCP server for AI agents, durable store, Python bindings.

Endless procedural screensaver animations for your terminal: 20+ pixel-art scenes in true color from a single Rust binary, also playable in the browser via WebAssembly.

Fast, memory-safe camera RAW decoder in Rust: ~40 formats, SIMD, GPU, WebAssembly, ICC colour management. CLI, C, C++, Python and JavaScript bindings.

Distributed actor framework with durable execution, tuple space coordination, and WASM runtime.

Full Blazor WebAssembly and Javascript interop. Supports all Javascript data types and web browser APIs.

A WASM virtual machine written in Go with 0 dependencies

CalcKernel compiler, runtime, tests, examples, documentation, and public releases

WebAssembly Runtime written in Swift

User interface engine driven by a declarative language + Rust

Free Bootstrap 5 components for ASP.NET Blazor + optional enterprise-level stack for Blazor development (gRPC code-first, layered architecture, localization, auth, ...)

Quickly develop, deploy and test Solana programs from browsers

A home for your business logic in any .NET application.

🌈A rich set of enterprise-class UI components based on Ant Design and Blazor.