The best free alternative to Maltego is SIERRA. If that doesn't suit you, our users have ranked more than 10 alternatives to Maltego and five of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Maltego are sn0int, Noimosiny, Osintgram and Poortego.
When it comes to investigations, be it OSINT, Pentesting, journalism, or data analysis, the devil is in the details—details often buried in cumbersome tools and convoluted notes. SIERRA revolutionizes this process, acting as your all-in-one investigative dashboard.
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...
An OSINT investigation platform with 100+ modules for reverse email, phone number, and username lookups, plus a free interactive graph to visualize and explore connections.
Osintgram is a OSINT tool on Instagram. It offers an interactive shell to perform analysis on Instagram account of any users by its nickname.
Open-source ruby project to handle the storage and linking of open-source intelligence (ala Maltego, but free as in beer and not tied to a specific / proprietary datbase).
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