GRASSMARLIN vs Vantelis Data Acquisition Platform: Side-by-Side Comparison (2026)

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. Core capabilities include Agentless deployment with no changes to existing OT devices, Passive network traffic capture with zero impact on production, OT asset and communication discovery..

Both serve the OT Asset Discovery market but differ in approach, feature depth, and target audience.

GRASSMARLIN is open-source with 1,000 GitHub stars. Vantelis Data Acquisition Platform is developed by Vantelis. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

GRASSMARLIN and Vantelis Data Acquisition Platform serve similar OT Asset Discovery use cases: both are OT Asset Discovery tools, both cover SCADA. Key differences: GRASSMARLIN is Free while Vantelis Data Acquisition Platform is Commercial, GRASSMARLIN is open-source. Review the feature comparison above to determine which fits your requirements.