• File::Slurp — one-line read/write/modify complete files
  • IO::All's slurp() does the same thing, and possibly more?
• Forks::Super — powerful and convenient ways to fork off subprocesses, as well as to coordinate multiple subprocesses
• Term::Prompt — deals with the fiddly issue of asking the user for input, and having to ask them again if the input is invalid. Small but useful nonetheless.

Apps

• Module::Info and Module::Which