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LadyHavoc. She rewrote Quake engine, which made a few transphobes mad:
https://hemebond.gitlab.io/darkplaces-www/
Near/byuu. Wrote SNES emulator. Transphobes got so mad they bullied Near to suicide
https://en.wikipedia.org/wiki/Higan_(emulator)
Leah Rower (not to be mistaken with Leah Culver). Does some BIOS hacking, nobody outside of Britain cares about.
https://libreboot.org/who.html