Collabtive - Collabtive is a web-based project management software.
productboard - Beautiful and powerful product management.
Teamwork - The Project Management App for Professionals. The most powerful and simple way to collaborate with your team.
Product Roadmap Builder by ProdPad - Make gorgeous drag & drop visual roadmaps
Flyspray - The bug killer!
Roadmap - Collision avoidance for projects and people