
1. SuricataTop pick
Best for: Teams who want a free, multithreaded IDS/IPS with detailed JSON logs for their SIEM.
66.5
score / 100
Why switch from Snort
Multithreaded IDS/IPS that reads Snort-style rules and logs rich JSON events.
Pros
- Multithreaded engine that scales across CPU cores
- Compatible with most Snort-style rulesets
- EVE JSON logging integrates easily with SIEMs
- Fully free under the GPL, run by a non-profit
Cons
- No built-in dashboard; alerts need a separate tool to review
- Tuning rules and performance on busy networks takes expertise
- Commercial rulesets cost extra
How this score is calculated
0 counted reviews, 0 up and 0 down votes. Full formula
Verified facts
5 of 5 verified- Platforms
- Linux, Mac, FreeBSD, Unix, Windows
- Checked Nov 1, 2026suricata.io(opens source in a new tab)
