CodeImage - A tool for manage and beautify your code screenshots
hackattic - No nonsense, real world programming challenges
slashB - The browser for web developers
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Elite for Workplace - Learn, Upskill, and Reskill.
Takehome - Effective and humane coding challenges for candidates