How did I never discover this before – GNU source-highlight, which also has a Qt-based front end.
The one key tip I have if you are using it to generate LaTeX for use with LyX is to make sure you scrub the comment at the top of the output.
- LFS 6.8 (Part 9): The First Part of the Rest of the Temporary Toolchain (becomingaglider.wordpress.com)
- COBOL For GCC – a GNU project – Free Software Foundation (cobolforgcc.sourceforge.net)
- Blog Post: Are GNU tools good enough for embedded designs? (e2e.ti.com)
- Concerns About GNU and the FSF (techrights.org)