Locomotive is

a flexible one-click solution to Ruby on Rails development for Mac OS X 10.3+. In one self-contained application, it gives you a fully functional Rails development platform including: (but not limited to)

  • The framework: Ruby on Rails
  • The favored webserver: lighttpd with FastCGI
  • An embedded database: SQLite

I’m going to get this for my powerbook so I won’t have to do all the development on my server through ssh.