Buglife - Seriously awesome bug reporting for iOS apps
Sifter - Sifter is designed to be a simple bug and issue tracker for small teams and works especially great for teams with non-technical folks involved.
Bugsee - See video, network & logs leading up to bugs or crashes
Linear - Streamlined issue tracking for software teams
Uilicious Snippet - Free testing platform to replicate & share website bugs 🐞
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.