VMware
Yes, both Nifty Project Management and GitHub offer a Free Trial.
Nifty Project Management is designed for Individuals, 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 Nifty Project Management are unavailable.
Some top alternatives to Nifty Project Management includes Quickbase , Smartsheet, ClickUp, Wrike, TeamGantt, Zoho Projects, Teamwork, ProjectManager.com, ProProfs Project, Microsoft Project, GanttPRO, ProWorkflow, nTask, Quick Base and Height.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.