"Chummer is a character generator for Shadowrun 4th Edition. Not only can you create your character quickly and easily, but you can also use Chummer during your character's shadowrunning career, to accurately track your Karma, Nuyen, ammo, and everything else all in one place. Chummer also includes support for a number of optional rules and house rules and even includes support for critters and is useful for players and Game Masters alike! It also supports four languages: English, French, German, and Japanese.
Chummer is continuously updated to address bugs and introduce new and interesting features suggested by the community. If you have a bug to report or idea to suggest, please report them on the issue section by using the link in the menu."
This text is a copy (slightly modified) from Chummergen (original site directs to spam, this links to web archive).