If you are searching for a database manager tool that support multiple database types and is totally free? Then this article is for you.
I use DBeaver to manage multiple database. DBeaver is free and open source universal database tool for developers and database administrators. You can manage multiple database: (you can find DBeaver at http://dbeaver.jkiss.org/)
- IBM DB2
- Microsoft SQL Server
- IBM Informix
- SAP MAX DB
You also have the opportunity to add your own connections by adding the database driver.