Qualified.io - Developer-friendly coding assessments
hackattic - No nonsense, real world programming challenges
Codejudge - Automate tech hiring with simulated real world assessments
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
InterviewPass - Automated screening interviews for job applicants
Takehome - Effective and humane coding challenges for candidates