TeamViewer is a beginner-friendly, feature-rich remote desktop management tool that boasts exceptional security features, an intuitive user interface, and a great selection of extra screen sharing and conferencing tools.
Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
LANState - LANState - Network Mapper and Device Monitor
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
join.me - Instant screen sharing. Instant Aha!