You can design your own mini in the browser and have it made to order via the magic of 3d printing:

Alternatively, Wiz Kids has a fantastic line of unpainted miniatures licensed for D&D and Pathfinder so you can easily find your class/race combination:

Phone Apps

All of these are for iOS because that’s what I use.

  • Fight Club 5 - character sheet phone app for 5th ed (ignore the animu)
  • D20 Calculator - nice dice roller if you forgot your dice or something

Also, you can just say “Hey Siri, roll a d20” and she will.