Amazon
Yes, both DevScreen and Codejudge offer a Free Trial.
DevScreen is designed for Freelancers, Medium Business and Small Business.
Codejudge is designed for Large Enterprises, Medium Business and Small Business.
The starting price of DevScreen begins at $89/Month, while pricing details for Codejudge are unavailable.
Some top alternatives to DevScreen includes Amazon Forecast, AnalyticsVerse, Datapeople, TalScale, CoderPad, HackerEarth, HackerRank, KillerCoder.io and HiringMirror.
Some top alternatives to Codejudge includes Qualified, Workvivo, Vervoe, eSkill, TalScale, CoderPad, DevSkiller, DoSelect, SkillRobo, Traitstack, IFTTT and Personality at Work.