The Internet Compass

Cybersecurity

The Best Free Cybersecurity Software

Every tool here has a permanent free tier, assessed on what the free plan genuinely delivers rather than on the upgrade path.

1
Cloudflare
Edge network combining CDN, security, zero-trust access and developer compute.
4.6(7,900)$0 / $25 per month plus usage
Deployment speed
4.2
Developer experience
4.1
Edge coverage
5.0
Cost predictability
4.6
2
GitLab
Single-application DevOps platform spanning source control, CI/CD, security and deployment.
4.4(8,200)$0 / $29 per user / month
Developer experience
4.0
CI/CD
4.7
Security tooling
4.6
Self-hosting
5.0
3
Datadog
Unified observability across infrastructure, applications, logs and security.
4.4(6,300)$15 per host / month
Signal correlation
4.8
Coverage breadth
4.9
Cost predictability
2.8
Alerting
4.5
4
Okta
Identity platform for workforce single sign-on, lifecycle management and access governance.
4.4(5,800)$2 per user / month
Identity coverage
4.9
Operational overhead
3.8
Compliance evidence
4.6
Integration catalogue
5.0

FAQ

Common questions

What's the best cybersecurity?

Cloudflare tops this list, rated 4.6/5 from 7,900 reviews.

How many cybersecurity tools are ranked here?

4. Every tool here has a permanent free tier, assessed on what the free plan genuinely delivers rather than on the upgrade path.

Is there a free cybersecurity tool?

Yes — Cloudflare has a free tier ($0 / $25 per month plus usage).