These are the TRAMs I’ve developed myself. As of now (2014), I assume these are the most recent TRAMs built. The last TRAM of the Transputer hey-days known to me is from 1995.
The main reason for creating new TRAMs is that I (and you) can use them in existing (vintage) TRAM mainboards and carriers and thus expand an already running system… or build a new one.
For now, there are only two TRAMs, both more or less prototypes. But their number might increase over the time 😉