Yes, both GitHub and Azendoo offer a Free Trial.
GitHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Azendoo is designed for Large Enterprises, Medium Business and Small Business.
Pricing for GitHub Starts at $4/User/Month whereas for Azendoo Starts at $7.50/User/Month when Billed Yearly.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.
Some top alternatives to Azendoo includes Todoist, Trello, Wrike, Smartsheet, TeamGantt, Teamwork, nTask, Taskworld, Trackboard, Blesk.io, ClickUp, Taskade and TasksBoard.