🧰 Free Cybersecurity Tools

Essential tools used in real-world cybersecurity operations.

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🔍 1–10 Recon & Scanning

1. Nmap
   https://nmap.org

2. Wireshark
   https://www.wireshark.org

3. Burp Suite Community
   https://portswigger.net/burp

4. Nessus Essentials
   https://www.tenable.com

5. Shodan
   https://www.shodan.io

6. Amass
   https://github.com/owasp-amass

7. Recon-ng
   https://github.com/lanmaster53/recon-ng

8. Netcat
   https://nmap.org/ncat/

9. Nikto
   https://cirt.net/Nikto2

10. Gobuster
    https://github.com/OJ/gobuster

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🛡️ 11–20 Defense Tools

1. Splunk Free
   https://www.splunk.com

2. ELK Stack
   https://www.elastic.co

3. OSSEC
   https://www.ossec.net

4. Wazuh
   https://wazuh.com

5. Suricata IDS
   https://suricata.io

6. Snort IDS
   https://snort.org

7. Zeek
   https://zeek.org

8. OpenVAS
   https://www.openvas.org

9. Fail2Ban
   https://www.fail2ban.org

10. ClamAV
    https://www.clamav.net

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⚔️ 21–30 Offensive Tools

1. Metasploit
   https://www.metasploit.com

2. SQLMap
   https://sqlmap.org

3. John the Ripper
   https://www.openwall.com/john/

4. Hydra
   https://github.com/vanhauser-thc/thc-hydra

5. Aircrack-ng
   https://www.aircrack-ng.org

6. Kali Linux Tools
   https://www.kali.org/tools/

7. Maltego CE
   https://www.maltego.com

8. CrackMapExec
   https://github.com/byt3bl33d3r/CrackMapExec

9. Impacket
   https://github.com/SecureAuthCorp/impacket

10. Ghidra
    https://ghidra-sre.org