Kimwitu (pronounced kee'mweetoo) is a system that supports the construction of programs that use trees or terms as their main data structure. It is a ‘meta-tool’ in the development process of tools.

It can easily be interfaced with Yacc and Lex – the idea is that yacc and lex are used to do the parsing, and Kimwitu routines are used to built and manipulate the parse tree.

There is also Kimwitu++ (also packaged for Debian) which interfaces with C++ instead of C.