aDolus Software Supplier Discovery vs GRASSMARLIN: Side-by-Side Comparison (2026)

aDolus Software Supplier Discovery: Identifies blacklisted & monitored software vendors in OT/ICS supply chains. built by aDolus Technology. Core capabilities include Identification of blacklisted or restricted vendors within software supply chain, Detection of third-party and fourth-party vendor components buried in products, Mapping of which products and product lines use a specific vendor's components..

GRASSMARLIN: Passively maps and visually displays ICS/SCADA network topology for network security..

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

aDolus Software Supplier Discovery is developed by aDolus Technology. GRASSMARLIN is open-source with 1,000 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

aDolus Software Supplier Discovery and GRASSMARLIN serve similar Operational Technology Asset Discovery use cases: both are Operational Technology Asset Discovery tools. Key differences: aDolus Software Supplier Discovery is Commercial while GRASSMARLIN is Free, GRASSMARLIN is open-source. Review the feature comparison above to determine which fits your requirements.