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
not8
Description: not8 is an open-source note taking application focused on privacy and security. It allows users to easily take notes, organize them, and sync between devices while keeping data encrypted locally.
Type: software
Pricing: Open Source