Whilst we are at it, here are a few used ones:
AFAIK As far as I know
FWIW For what its worth
IMO In my opinion
IMHO In my honest opinion
Erm, now I can't think of any more
AFAIK As far as I know
FWIW For what its worth
IMO In my opinion
IMHO In my honest opinion
Erm, now I can't think of any more