Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Foundler - Online hackathon weekends. Attend every other week.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.
HackHub - Host tech events and hackathons with ease 👨💻🛠