ack : ack is a tool like grep, optimized for programmers
Designed for programmers with large heterogeneous trees of source code, ack is written purely in po...
howdoi : Instant coding answers via the command line.
Copyscape : Website Plagiarism Search - Web Site Content Copyright Protection
docopt : Command-line interface description language
Offline search tool for developers. Find what you need without the need for Internet access. Allows finding detailed information not available in document names. Your own local indexed copy of Stack Overflow downloaded via BitTorrent.