Mass Run SQL Scripts is described as 'Ultra fast scripts execution using multi threading technology to run against many databases and take advantage of all your computing resources' and is a Database Manager in the Development category. There are three alternatives to Mass Run SQL Scripts for Windows, Linux, Mac and Microsoft SQL Server. The best alternative is DataRow. It's not free, so if you're looking for a free alternative, you could try Aireforge Studio.
DataRow is the new way of Redshift data management and development with a convenient and intuitive interface. We believe at DataRow, data is the heart of a company and it is more efficient when a team collaborates on its database management.