Boom

Boom is a command-line key-value store written by Zach Holman. If you don't know what this is, you probably don't need it. Still, I really love the installation instructions:

Hey, run this:

$ gem install boom

See? Now you can do this:

$ boom

Pretty easy. Like your mom.

I wish more software developers were brave enough to make 'your mom' jokes in their installation instructions.