Side by side

Sirius vs Vornin

Both stand on vulnerability scanning software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Sirius

Free plan APILinuxMac+3

Sirius brings scanning, triage, and operational dashboards into a self-hosted package. Check its Docker and host requirements and secure exposed services according to the maker's guidance.

Visit Sirius

Choose Vornin if your team wants scanning, prioritisation, remediation tracking, and compliance evidence connected to findings. Its free tier is limited to three targets and manual scans; teams needing scheduled scans or all nine frameworks should consider a paid plan.

Visit Vornin

The facts

	Sirius	Vornin
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Web
Lowest paid plan	Free or on request	Team: €99 a month
Plans published	2	4
Maker	Not published	Not published
Website	opensecurity.com	vornin.com
On vulnerability scanning software	#10 of 35	#14 of 35

Sirius: what it does well

Combines network discovery, CVE detection, and agent telemetry
Navigator provides severity and CVSS-based views
Supports Linux, macOS, and Windows through WSL2
Self-hosted Sirius Scan costs nothing

What to know first

Requires Docker Engine 20.10.0+ with Compose V2
Minimum listed memory is 4 GB
Minimum listed free disk space is 10 GB

Vornin: what it does well

Scans web apps, APIs, networks, code, containers, Kubernetes, and cloud environments.
Carries finding ownership and verification history across scans.
Prioritisation weighs exploitability, reachability, compliance impact, and urgency.
Maps findings to nine named compliance frameworks.
Imports Nessus, OpenVAS, CSV, and JSON results.

What to know first

The Free plan is limited to three targets and manual scans.
The Free plan previews one compliance framework.
Paid plans start at €99/mo.
Integration availability varies by plan.

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