#webassembly

Lossless compression C library built for ultra-fast decode. Faster than LZ4 (40-75%+ on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.

ruby.wasm is a collection of WebAssembly ports of the CRuby.

Swiss-army toolkit for .docx — faithful DOCX→HTML rendering, an in-browser block editor, Word-grade redlines with native tracked changes, and anchor-addressed markdown for LLM agents. .NET, WASM/TypeScript, Python, CLI.

Multi-GB/s JSON (de)serialization written in AssemblyScript utilizing elegant SIMD and SWAR algorithms

DoltLite - Version Controlled SQLite

A multilingual morphological analysis library.

Very low latency speech to text, intent recognition, and text to speech, for building voice agents and interfaces

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

SWI-Prolog WebAssembly build as a NPM package

Secure Low-Latency Interactive Messaging Language Bindings

B-Rep modeling engine for brepjs — pure Rust, compiled to WebAssembly

.NET embedding of Wasmtime https://bytecodealliance.github.io/wasmtime-dotnet/

The module graph logic for Deno CLI

A distribution of EYE reasoner in the JavaScript ecosystem using Webassembly.

A new Rust-based platform for the Web

Node-API implementation for Emscripten, wasi-sdk, clang wasm32 and napi-rs

A minimal protocol to write Typst plugins, a CLI tool to stub WASI imports, and example Typst plugins written in Rust/C/Zig/Go/Haskell/MoonBit.

High performance spatial analysis in a web browser and across programming languages and hardware architectures

The fastest embeddable spreadsheet engine - parse, evaluate & mutate Excel workbooks from Rust, Python, or the browser. Arrow-powered, 400+ functions.

ZXing-C++ WebAssembly as an ES/CJS module with types. Read or write barcodes in various JS runtimes: Web, Node.js, Bun, and Deno.

OpenCascade (OCCT) compiled to WebAssembly — clean TypeScript API, ~4MB brotli, arena-based memory, structured errors, Web Worker support

An SMT solver frontend for OCaml

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

WebAssembly binding for llama.cpp - Enabling on-browser LLM inference

Run AI models on Apple Silicon and Raspberry Pi

Detect and redact secrets before they reach logs, storage, or LLM context. Deterministic Rust core for JavaScript, Python, Rust, and WebAssembly.

Pure Rust Zstandard (zstd) compression library and CLI: drop-in libzstd replacement with a C ABI, levels 1-22, streaming, dictionaries, long-distance matching, SIMD, no_std and WebAssembly. No C, no FFI, no cmake.

Wasmer SDK: Run anything, anywhere suing WebAssembly-based sandboxes

wazero: the zero dependency WebAssembly runtime for Go developers

Pure-Go implementation of JSONata 2.x for high-throughput streaming evaluation