Description: Netcat is a networking utility for reading from and writing to network connections using TCP or UDP. It can be used to create simple one-shot connections, interface with more full-featured network services, and build quick backdoors and relays.
Type: software
Pricing: Free
Description: Tucows is a software and mobile services company that provides domain registration, email, and other internet services. It also operates an internet services provider and downloads website.
Type: software