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.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Gmvault - Backup the emails in your Gmail account.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
SysTools Gmail Backup - Backup Gmail Emails, Contacts, Calendar, and Google Drive Storage File by SysTools Gmail Backup Solution