Huntathon - Browse and submit Product Hunt Global Hackathon projects
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
CoFoundersLab - Meet 250,000+ entrepreneurs online
Hackathon Match - Find collaborators for the Product Hunt Global Hackathon
HackHub - Host tech events and hackathons with ease 👨💻🛠
Perpetua Project - Curated events for investors, operators & founders