ReactiveUI is the father of the extremely popular ReactiveCocoa AKA "RAC" (and also by extension ReactiveSwift) which literaly transformed and changed the way iOS software development is done. Whilst Paul was working at GitHub, the team behind ReactiveCocoa (also GitHub employees) ported the concepts behind ReactiveUI to iOS via much beer and coffee :-)
- https://github.com/ReactiveCocoa/ReactiveCocoa (17,675 stars, 3,289 forks)
Why? It's cause the the developer experience (documentation, samples, people presenting and sharing their experiences at meetups) has been lacking. Let's fix this.
See https://reactivex.slack.com/archives/C02AJB872/p1502462627603705 for some ideas on how to fix this, head on over to https://reactiveui.net/slack for an invite if you don't have access.