American Airlines
Yes, both GitHub and CodeStream offer a Free Trial.
GitHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
CodeStream is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for GitHub Starts at $4/User/Month whereas for CodeStream Starts at $10/User/Month.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.
Some top alternatives to CodeStream includes CollaborateCloud, Cleverstack, Thoughtflow, brainCloud, HuddleIQ, Thinkspace, Qualified, Workvivo, Codebots and CodeSee.