productboard - Beautiful and powerful product management.
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.
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Leanbe.ai - Data-driven smart roadmap generation platform