Hi! My name is Alexei, and I made an open source app called SensibleSideButtons that lets you reclaim your third party mouse's navigation buttons on the Mac. I've also released an iOS keyboard framework, and I'm currently hard at work on a long blog post (with working code) about CRDTs. Commercially, I've developed a couple of music apps that I'd love to open source. Please consider chipping in a few bucks so I can keep working on free software!