EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.
Huntathon - Browse and submit Product Hunt Global Hackathon projects
CadmiumCD - CadmiumCD is a powerful events management tool that simplifies the management, collection, and sharing of content for your events.
Foundler - Online hackathon weekends. Attend every other week.
Bizzabo - Bizzabo is the world’s fastest growing event tech company. Our holistic Events Cloud empowers marketers and planners to manage, grow and maximize events.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.