productboard - Beautiful and powerful product management.
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
ProdCamp - An all-in-one tool for User feedback managment, public roadmap, feature voting board, changelog.
ProductPlan - Cloud-based product roadmap software solution
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.