There was a download of MSSQL-to-MySQL 8.1 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Mss2sql.exe is the most common filename for this program's installer.
The following versions: 7.3, 7.1 and 6.5 are the most frequently downloaded ones by the program users. This software is a product of Intelligent Converters. MSSQL-to-MySQL is included in Development Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
MSSQL-to-MySQL is a program to move MS SQL databases to MySQL server.
You may want to check out more software, such as DBAddin, EMS SQL Manager 2005 for PostgreSQL or OmniView, which might be similar to MSSQL-to-MySQL.