Guacamole - Access your computers from anywhere. Because the Guacamole client is an HTML5 web application, use of your computers is not tied to any one device or location. As long as you have access to a web browser, you have access to your machines.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
ManageEngine RecoveryManager Plus - RecoveryManager Plus is one such enterprise backup solution which has the ability to easily backup and restores both the domain controllers and virtual machines.
Warpgate Bastion - Smart SSH, HTTPS and MySQL bastion that needs no client-side software - GitHub - warp-tech/warpgate: Smart SSH, HTTPS and MySQL bastion that needs no client-side software
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.