1. GoSpider :
https://github.com/jaeles-project/gospider.git
2. Hakrawler :
https://github.com/hakluke/hakrawler.git
3. SubDomainzer :
https://github.com/nsonaniya2010/SubDomainizer.git
4. Amass
5. Subfinder
6. SubDomain BruteForce using Shuffledns :
https://github.com/projectdiscovery/shuffledns.git
7. SubDomain BruteForce Wordlist:
https://gist.github.com/jhaddix/86a06c5dc309d08580a018c66354a056
