SaaS 1000 - Free exportable list of the fastest growing SaaS companies
productboard - Beautiful and powerful product management.
Look at that SaaS - Inspiration and resources for SaaS founders
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
SaaS Funding Napkin - What does it take to raise capital in SaaS in 2018?
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.