Today I occasionally stumbled upon rlfj's "A Fresh Start" translation into Russian. After some searching, I found a website (https://tl.rulate.ru) and its mirror with a bunch of people translating stories from this site and most likely a few others.
Worst is, some translators are charging money for reading. They also givs very little credit to authors, barely mentioning their name.
Of what I found:
rlfj: A Fresh Start (charged), Grim Reaper, Generations (charged).
aroslav: Swish!
Spacer X: Six times a day, Reasonable Bounds (charged)
Number 7: Second Chance (charged)
JRyter: 7 stories
NoMoshing: My Isekai Life in D&D
DDMarshall: Cathleen, Cindy and the Boys, Bff
Looks like there can be a lot more, but this was what I could find by checking "translators" lists in few minutes.
The website claims that it follows DMCA rules (https://tl.rulate.ru/blog/1319), but I have no idea how serious this claim is: it looks like total piracy translators haven.
I don't know who of the authors was asked for permission for translation and posting on other sites, but I felt obliged to give this fair warning.