Questions tagged ati-catalyst and/or catalyst are talking about the same thing: https://en.wikipedia.org/wiki/AMD_Catalyst

I think they should be merged and/or made synonyms of each other. (Not really sure which tag should be made a synonym of which other tag.)

Also, due to AMD retiring the ATI brand in favor of the 'AMD' name, amd-catalyst should probably be also included in the merge or synonym creation with those tags.