Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Visual Studio Code

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

JavaScript API for Chrome and Firefox

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Next generation frontend tooling. It's fast!

Model Context Protocol Servers

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

Declarative routing for React

The web framework for content-driven websites. ⭐️ Star to support our work!

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

Fast, easy and reliable testing for anything that runs in a browser.

A terminal built on web technologies

Scheduling infrastructure for absolutely everyone.

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

Make any web page a desktop application

AI chat for any model.

Backstage is an open framework for building developer portals

⏩ Ship faster with Continuous AI. Open-source CLI that can be used in TUI mode as a coding agent or Headless mode to run background agents

🕵️‍♂️ All-in-one OSINT tool for analysing any website

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

Dark Reader Chrome and Firefox extension

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

Lit is a simple library for building fast, lightweight web components.

Your window into all of your data

👻 Primitive and flexible state management for React

Interactive Data Visualization in the browser, from Python