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.
Buglife - Seriously awesome bug reporting for iOS apps
Linear - Streamlined issue tracking for software teams
Bugsee - See video, network & logs leading up to bugs or crashes
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Uilicious Snippet - Free testing platform to replicate & share website bugs 🐞