bt3 is a collection of tools, it has many other security pentesting tools such as bluetooth security, SQL security, etc
The only reason why you see all these cracking WEP is cool is because it includes aircrack-ng suite along with prepatched tools. However that is only just one aspect of many things backtrack is capable of doing.



Apart from that one would think that you could bother doing some simple research on the forum or the official download location before posting such a daft question.
