Doxygen - Generate documentation from source code
Nimi Places - Nimi Places is a Windows desktop organizer that gives you the ability to put files and folders into customizable containers. The elements in the containers are represented as icons or thumbnails. Read more about Nimi Places.
Docsify.js - A magical documentation site generator.
iCollections - Organize your Mac desktop items.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
Zeplin - Collaboration app for UI designers & frontend developers