Poortego is described as '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)'. There are five alternatives to Poortego for a variety of platforms, including Mac, Windows, Linux, BSD and Self-Hosted solutions. The best alternative is Maltego. It's not free, so if you're looking for a free alternative, you could try Reconmap or dradis. Other great apps like Poortego are Faraday IDE (Free Personal, Open Source) and Hexway Hive (Freemium).
- 5 alternatives