TrackDuck - Visual feedback for web design and development.
Invision - Prototyping and collaboration for design teams
Valist - Automatically created staging environments for every update with a shareable link for testing
Savahapp - The all-in-one design sharing, collaboration, workflow and app prototyping platform
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.
Pastel - Sticky note-based feedback collection tool for live websites