Drew DeVault's SourceHut (https://sr.ht https://sr.ht). It may not make as much revenue yet, but it provides value to the open-source community by developing a

Drew DeVault's SourceHut (https://sr.ht https://sr.ht). It may not make as much revenue yet, but it provides value to the open-source community by developing a set of developer collaboration tools that actually improve on existing workflows and embody the Unix philosophy.