1. Security OnionTop pick
Best for: Security teams that want IDS alerts, packet capture and hunting tools in one free platform.
Free plan + paidSelf-hostableLinux, Self-hosted
60.6
score / 100
Why switch from Vectra AI
Free, open-source platform that bundles Zeek, Suricata and log search for network monitoring on your own hardware.
Pros
- Bundles Suricata, Zeek, packet capture and Elastic in one install
- Its own hunting, case and dashboard interfaces
- Free core platform with source on GitHub
Cons
- Needs substantial RAM and disk
- Complex to run compared with a single IDS
- Some features reserved for the paid Pro edition
How this score is calculated
Editorial fit ×0.334
Reviews ×0.363
Clicks (90 days) ×0.1577
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula