Table Tracker allows you to track your game and opponents actions on the PartyPoker site.
Track 3 tables at once and see opponent cards and stakes.
Track every player you have ever played against and store notes on each player. Rate them by yourself and see whom you've won the most money from.

Poker Table Tracker is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around 19.95USD.