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

A terminal built on web technologies

The communications platform that puts data protection first.

🐉 Vue Component Framework

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

A private messenger for Windows, macOS, and Linux.

Play with neural networks!

The MEAN stack uses Mongo, Express, Angular(6) and Node for simple and scalable fullstack js applications

Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.

Sanity Studio – Rapidly configure content workspaces powered by structured content

Experience Operating System (XOS) that unifies marketing, sales, operations, and support — run your core business seamlessly while replacing HubSpot, Zendesk, Linear, Wix and more.

HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

NAND is a logic simulator suite made entirely from NAND gates

a dead simple programming model for the cloud