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

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