Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
GleanView - Win More with GleanQuote Guided CPQ: Right Configuration, Right Price, Done in Minutes
Control Web Panel - (Former CentOS Web Panel) Free & PRO Linux Web Hosting Control Panel
365 Command - Application management solution for MS 365 services
Hepsia - Hepsia is probably the most advanced web hosting control panel for managing multiple domains and hosting related issues.
NeoCertified - Secure email for confidential & sensitive documents