Split Jing's PyraminxThe puzzles name suggests it is a variant of Jings Pyraminx but it is indeed a puzzle with a completely new mechanism.
Star PyraminxThis puzzle combines the HMT with four faces resembling the megaminx.
StarculisA Megaminx with three sides misaligned in the solved state. In shape of something very close to a tetrahedron.
Superchop TetrahedronThe first puzzle which supports two traditional axis systems (both deep cut) of a tetrahedron.
Tetra Bandage pillowed v2A bandage cube (a bicube to be more precise) transformed into the shape of a Pillowed Mastermorphix.
Tetra-1A face-turning tetrahedron works like a superset of Master Pyraminx and F-Skewb. It has the shape of a Reuleaux Tetrahedron.
Tetrahedral Void SkewbA Void Skewb transformed into a tetrahedron but still with the holes from the Void Skewb.
Think Puzzles PyraminxA Pyramorphix which package does not mention this name. A high quality 2x2x2 production by Mefferts.