Yes, both codeStarter and GitHub offer a Free Trial.
codeStarter is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
GitHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for codeStarter Starts at $25/Month when Billed Yearly whereas for GitHub Starts at $4/User/Month.
Some top alternatives to codeStarter includes DevScore, GitHub, DrapCode, Code2, Pseudocode Editor, Imagine, Codebots, Code Joh and CodeSee.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.