You've only looked at this superficially. First commit of Kovid Goyal kitty in October 2016: * https://github.com/kovidgoyal/kitty/tree/de072b3b423ad114cc465f

You've only looked at this superficially. First commit of Kovid Goyal kitty in October 2016: * https://github.com/kovidgoyal/kitty/tree/de072b3b423ad114cc465fa4c11d85a498c76f2f https://github.com/kovidgoyal/kitty/tree/de072b3b423ad114cc4... Hacker News post about the KiTTY fork of PuTTY in September 2011: * https://news.ycombinator.com/item?id=2979382 https://news.ycombinator.com/item?id=2979382 And that's not the earliest for the latter.