These are legacy plugin formats for Pro Tools. TDM (Time Division Multiplexing) ran on dedicated hardware DSP chips, while RTAS (Real-Time AudioSuite) ran on the computer's CPU.
The "Intel XVX" variant specifically allowed these to run on the first MacBook Pros (Core Duo) and Hackintoshes of the era. Mcdsp Complete Rtas Tdm Au Osx Intel Xvx
The bundle during this era was unmatched. Unlike today’s subscription models, this was a perpetual license that gave you access to over 30 plugins. For an Intel Mac Pro (the cheese grater models) running OS X Leopard (10.5) or Snow Leopard (10.6), this was the ultimate mixing toolkit. These are legacy plugin formats for Pro Tools