I2 — Analyst Notebook Free 2021 Alternative

If your primary goal is visualizing complex networks and "big data" clusters, Gephi is the industry standard for open-source software.

Free and legal for read-only analysis. Cons: Cannot create new charts; requires existing SOCET GXP data. i2 analyst notebook free alternative

It is completely free and open-source with a massive library of plugins (apps) that can extend its functionality to include geospatial mapping. If your primary goal is visualizing complex networks

1. Gephi: The Gold Standard for Open-Source Network Analysis large user community

Very close to i2 in workflow; large user community; excellent for digital investigations. Cons: Not open-source; transforms require internet; no native timeline view.