ManageEngine Patch Manager Plus - Patch Manager Plus, an all-round patching solution, offers automated patch deployment for Windows, macOS, and Linux endpoints, plus patching support for 350+ third-party applications You can use it to patch computers within LAN and WAN.
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Atera - Atera’s all-in-one platform enables IT professionals to gain access, visibility, and control over all their networks and devices from anywhere, so they can work smarter and light years faster.
mRemoteNG - mRemoteNG is a fork of mRemote, an open source, tabbed, multi-protocol, remote connections manager.
ManageEngine Desktop Central - Desktop Central is a Desktop Management and Mobile Device Management Software for managing desktops in LAN and across WAN and mobile devices from a central location. It supports managing Windows, Mac and Mobile devices running iOS 4 and above
join.me - Instant screen sharing. Instant Aha!