Cf. How To Ask Questions The Smart Way
"check what data-protecting measures a site has taken to help you exercise control over your privacy" (ib., 2019-10-11) Cf. https://github.com/andersju/webbkoll
"An open source Android app that offers users the opportunity to test the security of their mobile devices as well as of the mobile networks to which their devices connect." (ib., 2019-09-28)
Published 2018-05-01, updated 2018-12-11
"free malware analysis service and community" "Submit malware for free analysis with Cuckoo Sandbox" (ib., 2017-09-19)
"enables you to run mtr from 7 remote locations distributed around the globe"
"Find out what websites are Built With"
Dstat is a versatile replacement for vmstat, iostat, netstat and ifstat.
Glances is a CLI curses based monitoring tool for GNU/Linux and BSD OS
"script to test if Compiz is able to run on your system/setup and if not, it will tell you the reason why"
Firefox extension to detect the frameworks a website is using/is built upon