Yes, both MySQL and GitHub offer a Free Trial.
MySQL 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 MySQL are unavailable.
Some top alternatives to MySQL includes Microsoft SQL Server, MongoDB, Oracle Database, Oracle SQL Developer, OrientDB, Microsoft Access, CrateDB, MariaDB and RediSQL.
Some top alternatives to GitHub includes LiveCode, Codeanywhere, Visual Studio IDE, CodeinCloud, GitLive, Microsoft Azure, GitLab, CodeSee and Bitbucket.