chezmoi : Manage your dotfiles across multiple diverse machines, securely.
how2 : stackoverflow from the terminal.
how2 finds the simplest way to do something in a unix shell. It's like man, but you can query it in natural language.
howdoi : Instant coding answers via the command line.
HTTPie : HTTPie—aitch-tee-tee-pie—is a command line HTTP client with an intuitive UI, JSON support, syntax highlighting, wget-like downloads, plugins, and more
docopt : Command-line interface description language
