Property-based testing for web UIs, autonomously exploring and validating correctness properties, finding harder bugs earlier

A MutationObserver that automatically picks up Shadow Roots when/if needed.

HTML in Canvas — arrival.space

🚀 AI-powered code review tool for GitHub, GitLab, Bitbucket Cloud, Bitbucket Server, Azure DevOps and Gitea — built with LLMs like OpenAI, Claude, Gemini, Ollama, Bedrock, OpenRouter and Azure OpenAI

🧊 monorepository containing dev tools

🧩 Accelerate your browser extension development. Built on Rsbuild — fast, simple, and free

A beautiful, non-destructive, and GPU-accelerated RAW image editor built with performance in mind.

A darktable fork minus the bloat plus some design vision.

Monorepo hosting the proton web clients

Create stunning demos for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.

Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no c…

✏️ Super lightweight code syntax highlighter

Macro is a new office suite built for speed and focus.

Open source Claude Code web/Codex Cloud/Devin/Ramp Inspect alternative

Modern full-stack framework. Develop powerful apps, clouds & framework-agnostic libraries—faster.

Bring AI agents into Obsidian via Agent Client Protocol (ACP), such as Claude Code, Codex and Gemini CLI.

Vane is an AI-powered answering engine.

Haptic feedback for the mobile web

Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!

Build ultra fast, tiny, and cross-platform desktop apps with Typescript.

Errors as values for TypeScript. Fully type safe error handling.

An ecosystem of lightweight, modular, and performant libraries for building modern web applications, built around a push-pull based reactivity system.

A lightweight, lightning-fast, in-process vector database

Turn any YouTube video into a documentation link

Scan for React performance issues and eliminate slow renders in your app

AI Elements is a component library and custom registry built on top of shadcn/ui to help you build AI-native applications faster.

The Generative UI framework