A set of pure Lua libraries focusing on input data handling (such as reading configuration files), functional programming (such as map, reduce, placeholder expressions,etc), and OS path management. Much of the functionality is inspired by the Python standard libraries.
Elegant Lua unit testing.
LDoc is a LuaDoc-compatible documentation generator which can also process C extension source. Markdown may be optionally used to render comments, as well as integrated readme documentation and pretty-printed example files.
Cross platform terminal library for Lua (Windows+Posix)
LuaExpat is a SAX XML parser based on the Expat library