ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
antlr/antlr4 is #3,729 on the bestofgithub Elo ladder, in Gold II, with a rating of 1,590 (−24 this week). It has 19,044 stars, 8 gained in the last week.