http://getgreenshot.org/downloads/
https://mobaxterm.mobatek.net/download.html
https://portswigger.net/burp/communitydownload
https://github.com/danielmiessler/SecLists
https://github.com/PowerShellMafia/PowerSploit
https://github.com/CoreSecurity/impacket
https://github.com/EmpireProject/Empire
https://github.com/OJ/gobuster
Vulnerability database
https://snyk.io/
Add kali repos to list in: /etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
https://docs.kali.org/general-use/kali-linux-sources-list-repositories
Good to install:
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install wordlists
sudo apt-get instal golang
sudo apt-get install gobuster