TechEvents.co - Tech and startup events aggregator
Foundler - Online hackathon weekends. Attend every other week.
Event Hunt - Startups and Tech Events Curated By Locals
HackHub - Host tech events and hackathons with ease 👨💻🛠
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.