app-doc/asciidoc Text based document generation
app-doc/catdoc catdoc can output the contents of .doc (Microsoft Word) files to standard output
app-doc/doxygen Documentation system for C++, C, Java, Objective-C, Python, IDL, and other languages
app-doc/gtk-doc-autotools Macros and utilities used by autotools from gtk-doc
app-doc/ldoc A LuaDoc-compatible documentation generation system
app-doc/luadoc Documentation Generator Tool for the Lua language
app-doc/scdoc A simple man page generator written for POSIX systems written in C99
app-doc/zeal Offline documentation browser inspired by Dash


arbor Base system (core)
arkanoid Anders Ossowicki's General Store o' Crap (dev)
danyspin97 Danilo Spinella's repo, containing mostly terminal utilities (third-party)