Collate looks amazing! I've been looking for exactly this, and since I use Linux rather than OS X quiver was out. Trying it out now and I'll almost definitely be purchasing.
Edit: Where can I file bug reports? :)
Edit: Where can I file bug reports? :)
Also 0.2.4 should drop in a few days that fixes a ton of bugs. You can follow along on our roadmap here: https://trello.com/b/Mk4OWPJo