Complex sentence: TM technology only became commercially available on a wide scale in the late 1990s, so the efforts made by several engineers and translators including Alan Melby, Sumita and Tsutsumi, etc. But more worth mentioning is the first TM tool called Trados (SDL Trados nowadays).
Split into simpler sentences: TM technology only became commercially available on a wide scale in the late 1990s, so the efforts made by several engineers and translators. Of note is the first TM tool called Trados (SDL Trados nowadays).