freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

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

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, Gitlab, GitHub and Open Project.

Create markdown-backed Kanban boards in Obsidian.

🎯 React library for building workflow editors, flow charts and diagrams. Maintained by @goodcodeus.