Sublist3r is described as 'Python tool designed to enumerate subdomains of websites using OSINT. It helps penetration testers and bug hunters collect and gather subdomains for the domain they are targeting' and is an app in the development category. There are seven alternatives to Sublist3r for a variety of platforms, including Linux, Web-based, Self-Hosted, BSD and Mac apps. The best Sublist3r alternative is sn0int, which is both free and Open Source. Other great apps like Sublist3r are OWASP Amass, Subfinder, Dnscan and SubdomainRadar.
sn0int is a semi-automatic OSINT framework and package manager. It was built for IT security professionals and bug hunters to gather intelligence about a given target or about yourself. sn0int is enumerating attack surface by semi-automatically processing public information and...
The OWASP Amass Project has developed a tool to help information security professionals perform network mapping of attack surfaces and perform external asset discovery using open source information gathering and active reconnaissance techniques.
Subfinder is a subdomain discovery tool that discovers valid subdomains for websites by using passive online sources. It has a simple modular architecture and is optimized for speed. subfinder is built for doing one thing only - passive subdomain enumeration, and it does that...
Discover hidden subdomains with unparalleled speed and precision. SubDomainRadar.io is the ultimate subdomain finder and lookup tool for cybersecurity professionals, bug hunters, and pentesters, offering advanced enumeration through exclusive data sources and real-time search capabilities.
Anubis is a subdomain enumeration and information gathering tool. Anubis collates data from a variety of sources, including HackerTarget, DNSDumpster, x509 certs, VirusTotal, Google, Pkey, and NetCraft.
Lepus is a utility for identifying and collecting subdomains for a given domain. Subdomain discovery is a crucial part during the reconnaissance phase.
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Better than Sublist3r in my opinion, supports modules, domains database, rich features.