The Hypertext d20 SRD (v3.5 d20 System Reference Document) :: d20srd.org
Compare the features of DND tactics to the actual 3.5 rules of DND on this website. Easy to understand and follow.
As for two weapon fighting- the feat is merely called Two Weapon Fighting and requires 15 dexterity, otherwise the dexterity can be up to -10/-6 with no training.