Kovid Goyal - Calibre - https://en.wikipedia.org/wiki/Calibre_(software)

He's brought books to millions of people.

It's software that increased the rate of information access to people. It's what very very few people achieve in a lifetime.

And it's a purely technical solutio, where as Gottfrid Svartholm/Fredrik Neij/Peter Sunde or Alexandra Elbakyan are also very much activists.

Interviews with him don't get upvotes on HN. Bitchy claims do, but also good people defend him. He puts a lot of effort helping the average user, when he should be in god mode only interreacting which high end user who've done the filtering for him.