freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Virtual whiteboard for sketching hand-drawn like diagrams

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Model Context Protocol Servers

Apache Superset is a Data Visualization and Data Exploration Platform

🐻 Bear necessities for state management in React

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

🌈 React for interactive command-line apps

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

The open source frontend for GitBook doc sites

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.

Database diagrams editor that allows you to visualize and design your DB with a single query.

A powerful GUI app and Toolkit for Claude Code - Create custom agents, manage interactive Claude Code sessions, run secure background agents, and more.

Run compilers interactively from your web browser and interact with the assembly

Create badass, fluid and smooth transitions between your website’s pages

AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

Create and animate hand-drawn annotations on a web page

Test your prompts, agents, and RAGs. AI Red teaming, pentesting, and vulnerability scanning for LLMs. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with co…

A powerful, flexible, Markdown-based authoring framework.

Better tools for thought

The best way to get AI coding agents to solve hard problems in complex codebases.

Specification and documentation for the Model Context Protocol

noUiSlider is a lightweight, ARIA-accessible JavaScript range slider with multi-touch and keyboard support. It is fully GPU animated: no reflows, so it is fast; even on older devices. It also fits …

A plugin to edit and view Excalidraw drawings in Obsidian

👩🏻‍🏫 Learn Apollo - A hands-on tutorial for Apollo GraphQL Client (created by Graphcool)

Next generation of automated data exploratory analysis and visualization platform.

⚡ Toolkit for component-oriented styling

Task management for the Obsidian knowledge base.