Developer-first error tracking and performance monitoring

The library for web and native user interfaces.

Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi!

🏡 Open source home automation that puts local control and privacy first.

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

The OWASP Mobile Application Security Testing Guide (MASTG) is a comprehensive manual for mobile app security testing and reverse engineering. It describes technical processes for verifying the OWA…

An Open Source Machine Learning Framework for Everyone

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by Clickhouse and OpenTelemetry.

A platform for community discussion. Free, open, simple.

Empowering everyone to build reliable and efficient software.

🐠 Babel is a compiler for writing next generation JavaScript.

An intuitive spreadsheet-like interface that lets users of all technical skill levels view, edit, query, and collaborate on Postgres data directly—100% open source and self hosted, with native Post…

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Interactive Data Visualization in the browser, from Python

Build cross-platform desktop apps with JavaScript, HTML, and CSS

The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

Google's Operations Research tools:

A utility-first CSS framework for rapid UI development.

Declarative routing for React

Watch over things + stream your mac to remote server

Ruby on Rails

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

scikit-learn: machine learning in Python

A web based mission control framework.

An enterprise-class UI design language and React UI library

The open LMS by Instructure, Inc.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

An online IDE for rapid web development

A guide for programming in style.

Open-source components, blocks, and AI agents designed to speed up your workflow. Import them seamlessly into your favorite tools through Registry and MCPs.