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The open operating system for counter-UAS
Surtr builds ParallaxOS, the open operating system for counter-UAS. It takes sensor data from any radar, RF detector, camera, or acoustic array and fuses it into a single unified picture with AI-driven threat classification and engagement recommendations. One interface, any hardware, human in the loop.
Surtr Defense Systems builds open, interoperable defense tech focused on counter-UAS. Its ParallaxOS is marketed as an open operating system enabling real-time data visibility, multi-sensor fusion, and open integration for Western defense networks.
ParallaxOS is described as an open operating system for counter-UAS that unifies sensor data (radar, RF, EO/IR, acoustic arrays) and enables open task interfaces to compatible effectors with human-in-the-loop authorization. It emphasizes real-time visibility of data to partners and customers, on-premises or GovCloud deployment, multi-sensor fusion with AI threat classification, and century-second response times at the tactical edge. Integrations are designed to be built in quickly (days, not months), with data ownership remains with the customer and data access configurable by customers and hardware partners.
Who it’s for: Western defense customers seeking interoperable C2 and data fusion capabilities for counter-UAS missions, including military or government-enterprise buyers seeking open, non-proprietary integration across vendors.
Backed by Y Combinator
Ex Shield-AI Autonomy Engineer working on building open & modular C2 for Counter UAS
Building a hardware-agnostic, AI operating system for air defense. Before Surtr, I was an an autonomy engineer at Anduril and Shield AI, where I worked on missile defense systems and robot teaming in contested environments.
An Open Operating System for Counter-UAS
Surtr builds ParallaxOS, an open operating system for counter-UAS that fuses sensor data from radar, RF detectors, and cameras into a unified interface with AI threat classification and engagement recommendations. The system supports any hardware via open APIs.
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Formerly “Overwatch Systems”, “Parallax” · why startups rename →
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