Greensea Systems, Inc. is an engineering firm located in the Green Mountains of Vermont. We develop command, control, and navigation systems for unmanned and robotic platforms. Greensea specializes in providing reliable, robust, and affordable custom engineering solutions for the operational community.

Greensea manages and leads the development of the Open Software and Equipment Architecture (openSEA). This powerful and open-source system provides a software and hardware core for unmanned vehicles, remote sensor systems, embedded controller units, and human-machine interfaces.