Paterva CaseFile (Free)

Great news. From 2017 Paterva, maker of the famous Maltego tool, has released the CaseFile (maltego/Analyst Notebook light) for free.

Casefile is an great low budget alternative to Maltego/Analyst Notebook. You can even import large excel tables with data.

You can find lates installer here: https://paterva.com/web7/buy/maltego-clients/casefile.php