Altaro VM Backup - Altaro VM Backup is a leading virtual machine backup and replication platform specially designed for VMware and Microsoft Hyper-V environments.
RRDTool - High performance data logging and graphing system for time series data
Spanning - Spanning provides data backup and recovery solutions for companies running cloud applications.
MRTG - MRTG (or Multi Router Traffic Grapher) is an open-source network monitoring tool.
Skyvia - Free cloud data platform for data integration, backup & management
Ganglia - Scalable distributed monitoring system