Reading up on WebAssembly

Sam rebuilt a subset of Kubernetes in Rust, compiled to WebAssembly, to run entirely in the browser for hands-on cluster education.

Perspective is an interactive analytics and data visualization component for large and streaming datasets, built with WebAssembly, Python, and Rust.

Many SaaS apps don't need servers; shipping the full backend to the browser via WASM, SQLite, and OPFS enables local-first single-user apps.

A proposal to make WebAssembly a first-class language on the web using the Component Model for direct Web API access, eliminating JavaScript glue code.

WordPress Playground now runs a full WordPress instance in-browser via WebAssembly, radically expanding where and how WordPress can be deployed.

The browser's 30-year-old sandbox model can be adapted to safely run AI agents locally, though gaps remain in network isolation and malicious file creation.

The browser's sandbox, tested by decades of web abuse, provides a secure environment for AI agents using the File System Access API.

Docfind uses Rust, WebAssembly, and FSTs to create a compact client-side search engine that runs entirely in the browser, with Copilot accelerating development.

Sandboxing tools for AI agents differ fundamentally by boundary (containers, gVisor, microVMs, Wasm), not just by policy, and picking the wrong one creates either leaks or excessive cost.

A tool serves 22 GB of Hacker News history via SQLite compiled to WASM, fetching only needed database shards in the browser.