Limited Underground

HARDWARE. SOFTWARE. PRACTICAL PURPOSE.

Built for what
you actually do.

Tools for staying connected, understanding your vehicle, and getting work done.

Less noise.
More useful tools.

01 / Communication02 / Vehicle insight03 / Everyday work

Our Mission

Make useful technology accessible to more people through free or low-cost software, firmware, and apps. Practical tools, fair pricing, and clear information—so people can understand what they’re getting and put it to use.

THE PROJECTS

Different jobs.
One practical approach.

View all projects

COMMUNICATION & SHARED AWARENESS

Trail

A family of radio devices and software for staying connected and coordinating in the field.

Explore the Trail family
In developmentPhone.
Radio.
People.

Designed around a direct radio path.
Optional tools add more.

FOLLOW THE WORK

The short story is here.
The details are on GitHub.

Source, documentation and release notes live with each project.

Visit GitHub