TechEvents.co - Tech and startup events aggregator
Foundler - Online hackathon weekends. Attend every other week.
Facebook Local - Discover places to go and events happening near you
CoFoundersLab - Meet 250,000+ entrepreneurs online
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
HackHub - Host tech events and hackathons with ease 👨💻🛠