leasot
Parse and output TODOs and FIXMEs from comments in your files
fixme
Scan for NOTE, OPTIMIZE, TODO, HACK, XXX, FIXME, and BUG comments within your source, and print them to stdout so you can deal with them.
gulp-todo
Generate a TODO.md file from comments of files in stream
grunt-todo
Find TODO, FIXME and NOTE inside project files