Description: Angry IP Scanner is an open-source network scanner used to scan IP addresses and ports. It can scan ranges of IP addresses to check if devices are alive, port scanning, ping scanning, detect web or FTP servers, and more. It is lightweight, customizable, and works on Windows, Linux, and Mac OSX.
Type: software
Pricing: Open Source
Description: Stack Overflow is a popular question and answer site for programmers. Users can ask coding questions and receive answers from a community of developers. The site has a reputation system to rate helpful responses.
Type: software
Pricing: Subscription