Foundler - Online hackathon weekends. Attend every other week.
Event Hunt - Startups and Tech Events Curated By Locals
CoFoundersLab - Meet 250,000+ entrepreneurs online
Konflist - Curated list of tech conferences all around the world!
HackHub - Host tech events and hackathons with ease 👨💻🛠
TechEvents.co - Tech and startup events aggregator