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

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A powerful obfuscator for JavaScript and Node.js

For Notion,OneNote,Bear,Yuque,Joplin。Clip anything to anywhere

Tiny millisecond conversion utility

Easy Enclosure

Easily cache Open Weather Map API calls, and string multiple free accounts together.