productboard - Beautiful and powerful product management.
Paperflite - Paperflite is a prospect engagement platform to enable business development reps to see what sells.
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
Styla.com - Content commerce solution for online retailers and brands
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.
Crescendo - Music note writing and composing software