Docusaurus - Easy to maintain open source documentation websites
SmallDevTools - Handy developer tools with a delightful interface
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Fix All Conflicts - Easy-to-use CUI for fixing git conflicts
TextLab - TextLab is the fastest way to format, prettify, transform, hash, encode, and decode your data instantly!