FIRST - Post a date, pick a winner & meet up.
productboard - Beautiful and powerful product management.
Startup Marketing Playbook - The how-to guide for new B2B marketing leaders
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.
100 in 100 Challenge - Get 100 new paid users in 100 days
ProductPlan - Cloud-based product roadmap software solution