Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Redgate SQL Data Compare - Use Redgate SQL Data Compare to compare and synchronize static, lookup, and reference data in your SQL Server database - try it free
AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.
MssqlMerge - MssqlMerge is an easy to use diff & merge tool for Microsoft SQL Server databases.
CULA - A webmonitoring solution for beginners and pros.