This is cool! I'm happy to see more options in this space. The best code review tool I've ever used was a tool at Google called Critique.[0] They've open-sourced it as Gerrit[1], but there are sadly no hosted versions available for under $15k/yr, and it's complicated to self-host. I've been using Reviewable, and my experience has been good not great. Github's native code review has caught up a bit, but Github's revie…
Have you used Review Board?
No, I'd never heard of it. It looks interesting, but I'm kind of skeptical that a tool designed for reviewing images and source code can be as good as a tool that's dedicated to code review.