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