1. Network Map (nmap) - Network Scanner - https://github.com/nmap/nmap
2. Maltego - Visual Link Analysis - https://www.maltego.com/
3. Shodan - IoT Search Engine - https://github.com/m4ll0k/Shodanfy.py
4. Recon-ng - Web Reconnaissance Framework - https://github.com/lanmaster53/recon-ng
5. Spiderfoot - OSINT Automation Tool - https://github.com/smicallef/spiderfoot
6. theHarvester - Email and Subdomain Gatherer - https://github.com/laramies/theHarvester
7. Amass - Network Mapping of Attack Surfaces - https://github.com/OWASP/Amass
8. RED HAWK - All-In-One Scanning - https://github.com/Tuhinshubhra/RED_HAWK
9. ReconSpider - Multi-purpose Gathering Tool - https://github.com/bhavsec/reconspider
10. OSINT Framework - Information Gathering Collection - https://github.com/lockfale/OSINT-Framework
11. Infoga - Email OSINT Gatherer - https://github.com/m4ll0k/Infoga
12. Striker - Offensive Information Gathering - https://github.com/s0md3v/Striker
13. SecretFinder - API Key and Secret Finder - https://github.com/m4ll0k/SecretFinder
14. Xerosploit - Penetration Testing Toolkit - https://github.com/LionSec/xerosploit
15. FOCA - Metadata Analyzer - https://github.com/ElevenPaths/FOCA
16. ReconDog - Reconnaissance Swiss Army Knife - https://github.com/s0md3v/ReconDog
17. Metagoofil - Metadata Extractor - https://github.com/laramies/metagoofil
18. Dracnmap - Nmap Script Wrapper - https://github.com/Screetsec/Dracnmap
19. rang3r - Multi-threaded Port Scanner - https://github.com/floriankunushevci/rang3r
20. Breacher - Admin Panel Finder - https://github.com/s0md3v/Breacher
2. Maltego - Visual Link Analysis - https://www.maltego.com/
3. Shodan - IoT Search Engine - https://github.com/m4ll0k/Shodanfy.py
4. Recon-ng - Web Reconnaissance Framework - https://github.com/lanmaster53/recon-ng
5. Spiderfoot - OSINT Automation Tool - https://github.com/smicallef/spiderfoot
6. theHarvester - Email and Subdomain Gatherer - https://github.com/laramies/theHarvester
7. Amass - Network Mapping of Attack Surfaces - https://github.com/OWASP/Amass
8. RED HAWK - All-In-One Scanning - https://github.com/Tuhinshubhra/RED_HAWK
9. ReconSpider - Multi-purpose Gathering Tool - https://github.com/bhavsec/reconspider
10. OSINT Framework - Information Gathering Collection - https://github.com/lockfale/OSINT-Framework
11. Infoga - Email OSINT Gatherer - https://github.com/m4ll0k/Infoga
12. Striker - Offensive Information Gathering - https://github.com/s0md3v/Striker
13. SecretFinder - API Key and Secret Finder - https://github.com/m4ll0k/SecretFinder
14. Xerosploit - Penetration Testing Toolkit - https://github.com/LionSec/xerosploit
15. FOCA - Metadata Analyzer - https://github.com/ElevenPaths/FOCA
16. ReconDog - Reconnaissance Swiss Army Knife - https://github.com/s0md3v/ReconDog
17. Metagoofil - Metadata Extractor - https://github.com/laramies/metagoofil
18. Dracnmap - Nmap Script Wrapper - https://github.com/Screetsec/Dracnmap
19. rang3r - Multi-threaded Port Scanner - https://github.com/floriankunushevci/rang3r
20. Breacher - Admin Panel Finder - https://github.com/s0md3v/Breacher