glark offers grep-like searching of text files, with very powerful, complex regular expressions (e.g., "/foo\w+/ and /bar[^\d]*baz$/ within 4 lines of each other"), as well as highlighting of matches.
A set of filters to manipulate chordpro files and to create different output formats from chordpro files. Use it for example to create a latex songbook with an appendix of chord fingerings.
Or write a simple plugin for other output formats. Your free...