A brief video demonstrating Maltego which ships with Kali Linux (OpenSource). The BTC transform helps visualize your blockchain transaction data and the relationship between the transactions.
Kali Linux: https://www.kali.org
Maltego: https://www.paterva.com/web7/buy/maltego-clients/maltego-ce.php
BitCoin Transform: http://maltego.blogspot.com/2016/04/visualization-bitcoin-blockchain-in.html