Advisory: I am not a legal expert and there could likely be inaccuracies in this post. Today Gumroad announced that they’ve become open source, with this being echoed by the founder and on social sites like Hacker News: Unfortunately though, this uses a custom license which wouldn’t meet the widely regarded definition of open source, and therefore wouldn’t be widely regarded as open source so calling this open source could be misleading to many. Why is it not open source? The license sets limits...