Open Tech Foundation

What we build

Projects

  • DraftSpecified on paper, not yet implemented
  • Under DevelopmentActively being built, nothing released yet
  • AlphaEarly — the API can still change without notice
  • BetaPublished and usable, API still settling
  • StableAPI committed, safe to depend on
Proposals

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open proposals

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Open Specification

1

open specification

Read the specifications

Web

The browser and what runs inside it — software people use directly.

Web Browser

Under Development

A fast, privacy-focused browser powered by our own rendering engine.

SourceWebsiteAGPL-3.0Rust

WorkerOS

Under Development

A real kernel that runs JS and WASM as a native executable format.

SourceApache-2.0JavaScript

Office Docs Viewer

Under Development

A high-fidelity viewer for documents, spreadsheets, and presentations.

SourceAGPL-3.0Rust

Web Development

Frameworks, runtimes, and libraries for building on the web.

ES Runtime

Alpha

A V8-based ECMAScript runtime — WinterTC-compliant and I/O-injectable.

SourceWebsiteApache-2.0Rust

OTF Web

Alpha

A high-performance, zero-VDOM framework that compiles JSX to native DOM.

SourceWebsiteMITRust

JS Standard Library

Beta

The modern JavaScript standard library.

SourceWebsiteMITTypeScript

obj-diff

Beta

Fast, accurate JavaScript object diffing and patching.

SourceWebsiteMITTypeScript

Syntax Highlighter

Under Development

A JavaScript syntax highlighter built on the CSS Custom Highlight API.

SourceMITJavaScript

immutate

Beta

Lightweight, high-performance immutability for JavaScript.

SourceMITTypeScript

Developer Tools

Command-line tools for building, releasing, and maintaining code.

tsr

Alpha

A lightweight, polyglot, repo-aware task runner.

SourceWebsiteMITRust

regex-compiler

Under Development

A regex builder that turns a human-friendly DSL into optimized expressions.

SourceMITJavaScript

release

Alpha

A manual-bump, changelog-aware release CLI for single projects and monorepos.

SourceMITRust

Data

Storage and query engines.

edb

Under Development

An embedded, single-file relational database with a structured query interface.

SourceApache-2.0Rust

Media

Image and media processing.

Pixels

Under Development

A streaming, demand-driven image processing engine.

SourceApache-2.0Rust

2D Engine

Under Development

A 2D vector graphics engine with immutable scenes.

SourceApache-2.0Rust