GitHub offers Free Trial, but HeadSpin does not.
HeadSpin is designed for Large Enterprises, Medium Business and Small Business.
GitHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of GitHub begins at $4/User/Month, while pricing details for HeadSpin are unavailable.
Some top alternatives to HeadSpin includes AppAchhi, BrowserStack, Sauce Labs, Apptest.ai, Endtest, Appsurify, Testim, Firelab, BugBug and Kobiton.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.