ANTLR (Popularity: )
http://www.antlr.org/ Formerly PCCTS, a language tool which provides a framework for constructing recognizers, compilers, and translators from grammatical descriptions containing C, ...
CoSy compiler development system (Popularity: )
http://www.ace.nl/ The CoSy product is a flexible compiler development system for languages like C, DSP-C and Java, enabling architecture and compiler ...
)
