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

Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

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

Context7 MCP Server -- Up-to-date code documentation for LLMs and AI code editors

A Foundation for Scalable Cross-Platform Apps

Interactive Data Visualization in the browser, from Python

The missing star history graph of GitHub repos - https://star-history.com