fatt vs PacketStreamer: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
fatt is a free digital forensics and incident response tool. PacketStreamer is a free digital forensics and incident response tool. Compare features, ratings, integrations, and community reviews side by side to find the best digital forensics and incident response fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Incident response teams who need to pivot quickly from packet captures to threat hunting will find fatt indispensable; it extracts JA3 and HASSH fingerprints that let you correlate C2 signatures across your full traffic history in minutes instead of hours. Free and 679 GitHub stars means it's already baked into most mature IR playbooks, lowering your team's time-to-triage on network-based indicators. Skip this if you're looking for packet analysis beyond metadata extraction or need a GUI; fatt is CLI-only and does one job well, which is exactly why it works.
Cloud security teams performing incident response in containerized environments should adopt PacketStreamer for its ability to capture packets remotely across distributed workloads without deploying agents to every node. The tool's 1,927 GitHub stars and zero licensing cost make it practical for forensics-heavy shops that need to preserve traffic for post-incident analysis across Kubernetes clusters. Skip this if your team expects a turnkey UI or wants packet capture integrated into a larger SIEM; PacketStreamer is deliberately purpose-built for packet collection, not visualization or correlation.
