Are pyaws
(Assuming your question is a serious one!)
There is NO credible alternative to BALPA. There doesn't need to be if it is properly supported. If you get your information from a board such as this then I am not surprised to see that your opinion is so low. The IPA (as has been suggested) is a club for those non-members in represented organisations who leech and benefit from the efforts of others, who by default, have no choice but to bargain on their behalf - but that is another thread......................