Neither Nimbus nor Autocode offers a free trial.
Nimbus is designed for Large Enterprises, Medium Business and Small Business.
Autocode is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Nimbus Starts at $3/User/Month whereas for Autocode Starts at $3,000.
Some top alternatives to Nimbus includes Codeanywhere, PaizaCloud, AWS Cloud9, Koding, CodeinCloud, CodeTogether, Codigo, CodeSync, CodeOnline and HackerPen.
Some top alternatives to Autocode includes CodePen, CodeTogether, Codigo, YepCode, CodeSync, Kodingless, Anyfiddle, Pseudocode Editor, Codebots and HackerPen.