ZX Commercial software list?

[bodkinz]

I've started collecting ZX81 tapes... but have no idea what was released at the time.. I am just wondering if there is a definative list of such tapes.. any help welcome .. thanks

If there isn't maybe i could compile a list..

[swensont]

This webiste has a very good start on creating a definitive list of ZX81 software:

http://www.zx81stuff.org.uk/