GitHub offers Free Trial, but Swarmia does not.
GitHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Swarmia is designed for Large Enterprises, Medium Business and Small Business.
Pricing for GitHub Starts at $4/User/Month whereas for Swarmia 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 Swarmia includes DevScore, Upside, Okay, Scope, Waydev, Pluralsight Flow, GitView, AnalyticsVerse, DevDynamics and Code Climate Velocity.