LangScan is a set of scanners. It supports following languages: C, C++, C#, CSS, D, Eiffel, Emacs Lisp, Java, Javascript, Lua, OCaml, Perl, PHP, Python, Ruby, Scheme, Bourne Shell, and others. LangScan is used by the source code search engine, Gonzui. . Homepage: http://gonzui.sourceforge.net/