The StackCollect SCM is written in Python and is free to download, more advanced features can be purchased from StackCollect.
Monitored Server Platforms Include:
Windows Server 2012 R2
Monitored Database Platforms Include:
PostgreSQL
Microsoft SQL Server
MariaDb
MySQL
IMAP4 server working on top of SQL database (currently PostgreSQL but Oracle may work too). It has some unique features like elimination of duplicate messages throughout the whole system, possibility of clustering or load balancing etc.