Userfeed - Product feedback made for Intercom
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...
productboard - Beautiful and powerful product management.
ClearFlask - Open-source Product Feedback Tool with a Public Roadmap and Announcements.
ProductPlan - Cloud-based product roadmap software solution