Prowess - The simplest way to collect and leverage product feedback
Invision - Prototyping and collaboration for design teams
Rayfeed - Improve your product with video and audio feedback 📹🔊
ProjectHuddle - Get design feedback and client approval using WordPress.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Viewflux - Feedback, prototyping and collaboration for designers