Open Startups - Open startups with their metrics, interviews, and stories

productboard - Beautiful and powerful product management.

Triplebyte - Hire engineers by measuring their ability, not credentials

Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.

Startups List - Collections of the best startups in different places

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.