SpiderFoot is described as 'automates OSINT to find everything possible about your target. It integrates with just about every data source available and utilises a range of methods for data analysis, making that data easy to navigate'. There are five alternatives to SpiderFoot for a variety of platforms, including Linux, Mac, Windows, Online / Web-based and Android. The best alternative is Maltego. It's not free, so if you're looking for a free alternative, you could try sn0int or Datasploit. Other great apps like SpiderFoot are (IP Tracking) Ultra-IP-OSINT (Free, Open Source) and theHarvester OSINT Tool (Free, Open Source).
Maltego is an open source intelligence and forensics application. It will offer you timous mining and gathering of information as well as the representation of this information in a easy to understand format.
Gets Detailed Information About The IP's Organisation, City & Region, Protocols, Reports or Records, Longitude & Latitude, Country phone, Timezone name & Timezone, ISP, Bgproute & Routedesc & Whoisdesc, AS & Asname
theHarvester is a very simple, yet effective tool designed to be used in the early stages of a penetration test. Use it for open source intelligence gathering and helping to determine a company's external threat landscape on the internet.