Huntathon - Browse and submit Product Hunt Global Hackathon projects
Real Dev - Real-life coding skill challenge
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
hackattic - No nonsense, real world programming challenges
HackHub - Host tech events and hackathons with ease 👨💻🛠
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.