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.
Case Study Club - Learn how people design digital products
CoFoundersLab - Meet 250,000+ entrepreneurs online
WorksHub - Helping Software Engineers find paid work, learn and get hired through Open Source contributions. WorksHub is made up of computer scientists, machine learning experts and the best in talent acquisition.