Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted




The best alternative to Shodan is IVRE, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Shodan and seven of them are so hopefully you can find a suitable replacement. Other interesting alternatives to Shodan are ONYPHE, LeakIX, wapiti and Nautillo Pro.




ONYPHE is a search engine for open-source and cyber threat intelligence data collected by crawling various sources available on the Internet or by listening to Internet background noise.
LeakIX is a search engine indexing open hosts on the internet. It focuses on listing the databases and table names and keeps a history of every successful connection.
Wapiti allows you to audit the security of your web applications. Wapiti is a command line tool.
Test your website like a real attacker would. Nautillo Pro finds account takeover risks, API exposure, broken access control, and AI security flaws before users and hackers do.




On-demand internet scanner. Trigger a live port and service scan of any IP, CIDR or country via REST API and get fresh results in seconds.


Zenkai is an automated website security scanner built for developers, IT teams, and agencies. It checks your site for real vulnerabilities — not just a header checklist.




Great for indexing local networks and such