CoFoundersLab - Meet 250,000+ entrepreneurs online
Creators Log - Share your product creation journey
Huntathon - Browse and submit Product Hunt Global Hackathon projects
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
Normal Software - Insights and ideas from businesses outside of tech