GRASSMARLIN is a free OT asset discovery solution. Vantelis Data Acquisition Platform is a commercial OT asset discovery solution by Vantelis. Features, integrations, deployment and the company behind each one, side by side.
Passively maps and visually displays ICS/SCADA network topology for network security
Agentless OT data acquisition platform for passive asset & traffic visibility.
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Based on what each listing shows: deployment, company size, price and open source.
GRASSMARLIN fits if you need a free product and you want an open-source product.
Common questions when comparing GRASSMARLIN vs Vantelis Data Acquisition Platform for OT asset discovery.
GRASSMARLIN: Passively maps and visually displays ICS/SCADA network topology for network security.
Vantelis Data Acquisition Platform: Agentless OT data acquisition platform for passive asset & traffic visibility. Built by Vantelis.
The table above shows where their features, integrations, deployment and company size fit differ.
GRASSMARLIN is open-source with 1,000 GitHub stars. Vantelis Data Acquisition Platform is made by Vantelis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. GRASSMARLIN and Vantelis Data Acquisition Platform are both OT Asset Discovery products, and both cover SCADA. Key differences: GRASSMARLIN is Free while Vantelis Data Acquisition Platform is Commercial, GRASSMARLIN is open-source. Use the table above to see where features, deployment and company size fit differ.
No OT Asset Discovery shortlist yet. This is the closest one.
Updated 2026-11-02
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