Extreme Password Generator Pro - It's fast, flexible, and free, which is a nice combination for a password generator. There's not much in the way of design to Extreme Password Generator, but
PWGen (Password Generator) - Download Password Generator for free. Pwgen is a small, GPL'ed password generator which creates passwords which can be easily memorized by a human.
Infinite Password Generator - Infinite Password Generator is a deterministic password-generator.
Passbolt - Open source password manager for teams
Random Password Generator - A password generator is a tool that automatically creates a secure password that is as secure as...
WinPass - Windows Phone KeePass 2.0 client. Support for key files.