Zeek

The Open Source Network Monitor

Intrusion detection system · by Vern Paxson · zeek.org

Open Zeek in AirStack

What Zeek’s own pages say

What it says it doesThe Open Source Network Monitor zeek.org
Free planYes zeek.org
Open sourceYes zeek.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.