Nmap
Description: Nmap is an open source network discovery and security auditing tool. It is used to discover hosts and services on a network and to detect potential vulnerabilities.
Type: software
Pricing: Free
Pushover
Description: Pushover is a simple but powerful notification service. It allows users to receive notifications across devices, including iOS and Android mobile devices. Common uses are for server monitoring, application alerts or reminders.
Type: software