1. Zeek: https://zeek.org/
Network Security Monitoring
2. ClamAV: https://www.clamav.net/
Antivirus
3. OpenVAS: https://www.openvas.org/
Vulnerability Scanner
4. TheHive: https://lnkd.in/e7aVCRUZ
Incident Response
5. PFSense: https://www.pfsense.org/
Security appliance (firewall/VPN/router)
6. Elastic: https://www.elastic.co/de/
Analytics
7. Osquery: https://www.osquery.io/
Endpoint visibility
8. Arkime: https://arkime.com/
Packet capture and search
9. Wazuh: https://wazuh.com/
XDR and SIEM
10. Alien Vault Ossim: https://lnkd.in/eShQt29h
SIEM
11. Velociraptor: https://lnkd.in/eYehEaNa
Forensic and IR
12. MISP project: https://lnkd.in/emaSrT57
Information sharing and Threat Intelligence
13. Kali: https://www.kali.org/
Security OS
14. Parrot: https://www.parrotsec.org/
Security OS
15. OpenIAM: https://www.openiam.com/
IAM
16. Yara: https://lnkd.in/eEJegEak
Patterns
17. Wireguard: https://www.wireguard.com/
VPN
18. OSSEC: https://www.ossec.net/
HIDS
19. Suricata: https://suricata.io/
IDS/IPS
20. Shuffler: https://shuffler.io/
SOAR
21. Phish Report: https://phish.report/
Anti Phishing
22. Graylog: https://lnkd.in/eAFuUmuw
Logmanagement
23. Trivy: https://lnkd.in/e7JxXStY
DevOps/IaC Scanning
24. OpenEDR: https://openedr.com/
EDR
25. Metasploit: https://lnkd.in/e4ECX-py
Pentest
26. NMAP: https://nmap.org/
Old but gold