Huntathon - Browse and submit Product Hunt Global Hackathon projects
AlgoExpert.io - A better way to prep for tech interviews
Foundler - Online hackathon weekends. Attend every other week.
Interview Cake - Free practice programming interview questions. Interview Cake helps you prep for interviews to land offers at companies like Google and Facebook.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
Daily Coding Problem - Get exceptionally good at coding interviews