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: Substack is an email newsletter platform that allows writers and publishers to easily create, design, and distribute email newsletters. It aims to let freelance writers and bloggers build direct relationships with readers.
Type: software
Pricing: Subscription