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 four of them are so hopefully you can find a suitable replacement. Other interesting alternatives to Shodan are ONYPHE, wapiti and LeakIX.
Because it's an open-source framework for scanning, indexing and researching data about connected device... Like Shodan.
Because it's completely free and open-source and works exactly like Shodan.
Some users think IVRE is a great Shodan alternative, some don't.
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.
Wapiti allows you to audit the security of your web applications. Wapiti is a command line tool.
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.
Has less data but is free for all. Also table names (mysql), collection names (mongo), index names ( elasticsearch ) and topic ( kafka ) names are searchable.
Simple, too the point indexer with nice querying capacities
Most users think LeakIX is a great Shodan alternative.
France
EU
Great for indexing local networks and such