Nmap (Network Mapper) According to Wikipedia, is a free and open-source network scanner created by Gordon Lyon (also known by...
opensource
ClamAV Is a free software, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses....
MISP Threat Sharing (MISP) According to Wikipedia, it is an open sourcethreat intelligence platform. The project...