Network analysis allows you to view and examine social structures, connecting people, places, or things based on relationships or interactions.
A graph database stores nodes and relationships in a flexible way, like sketching ideas on a whiteboard.
Graph Commons
Manually create networks or import from Google Spreadsheet or Excel CSV using this free platform that only requires you to have an email address to get started: https://graphcommons.com/
Graph Commons video
Neo4j
Graph data platform to leverage data relationships and network structures and answer questions about system dynamics and group behavior: https://neo4j.com/