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291 Group & Co.

RF awareness for everyone, not just militaries.

Intelligence tools built by those who've used them. Affordable, deployable, and built for the real world.

Veteran-led technology company delivering mission-critical solutions across electronic protection, AI/ML, and custom engineering. Founded by Canadian Armed Forces Signals Intelligence Specialists with 100+ years of combined operational experience. We build affordable systems that work in the real world — from commercial applications to defence operations.

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Open Source

Stars Forks Releases Issues Last Commit Commit Activity Top Language

LAN-Orangutan is a self-hosted network discovery tool. Find every device on your LAN, label and group them, snapshot your network and compare it later, and get flagged when something unexpected shows up. Single binary, no setup, Tailscale built in.


Stars Forks Releases Issues Last Commit Commit Activity Top Language

LAN Sheriff watches which servers your network talks to. Self-hosted, no account. Observes only; blocks nothing.


291 SDR Mobile [Coming Soon]

291 SDR Mobile lets you feel the spectrum with your thumb. Control your software-defined radio from your phone to track aircraft, monitor marine traffic, listen to FM radio, capture weather satellite images and more, with no need to plug the SDR into your phone.


Yagi [Coming Soon]

A programming language for radio. Describe a signal once and get the receiver, the transmitter and the simulator.


291 SitMap [SitMap.co]

Imagine Google Maps, but instead of restaurants and traffic, you see real-time intelligence. Breaking news, military activity, ship and aircraft tracking, cyber threats, RF spectrum emissions, economic data, and more. All on one map. All correlated by AI.

That's SitMap.

Toggle layers on and off to build the exact situational picture you need, whether you're a journalist, researcher, corporate security team, NGO, or defence professional.

Three tiers: Recon (free forever), Operator ($49/mo), and Command (enterprise).

Coming soon to Windows, macOS, Linux, iOS, Android, and the web.

Our waitlist is open, with early access and founding member pricing for those who join now. https://sitmap.co

291 SitMap.co Platform


291 Electronic Protection Platform [291 EPP]

Multi-sensor Signals Intelligence collection and analysis. ADS-B tracking, direction finding, spectrum analysis, and WiFi reconnaissance in a ruggedized, field-deployable package. Built by operators, for operators.

View EP Platform · Configure & Pricing · Platform Interface · Platform Demo

291.Group.Electronic.Protection.EP.Platform.mp4

291Group.com · Contact Us · GitHub

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  1. LAN-Orangutan LAN-Orangutan Public

    LAN-Orangutan is a self-hosted network discovery tool. Find every device on your LAN, label and group them, snapshot your network and compare it later, and get flagged when something unexpected sho…

    Go 1.1k 63

  2. LAN-Sheriff LAN-Sheriff Public

    LAN Sheriff watches which servers your network talks to. Self-hosted, no account. Observes only; blocks nothing. Built by 291 Group.

    Go 157 15

Repositories

Showing 5 of 5 repositories
  • LAN-Orangutan Public

    LAN-Orangutan is a self-hosted network discovery tool. Find every device on your LAN, label and group them, snapshot your network and compare it later, and get flagged when something unexpected shows up. Single binary, no setup, Tailscale built in. Built by 291 Group.

    291-Group/LAN-Orangutan's past year of commit activity
    Go 1,146 MIT 63 3 0 Updated Oct 31, 2026
  • LAN-Sheriff Public

    LAN Sheriff watches which servers your network talks to. Self-hosted, no account. Observes only; blocks nothing. Built by 291 Group.

    291-Group/LAN-Sheriff's past year of commit activity
    Go 157 AGPL-3.0 15 1 3 Updated Oct 26, 2026
  • .github Public

    291 Group

    291-Group/.github's past year of commit activity
    0 0 0 0 Updated Oct 23, 2026
  • scoop-bucket Public

    Scoop manifests for 291 Group's open source tools

    291-Group/scoop-bucket's past year of commit activity
    0 0 0 0 Updated Oct 19, 2026
  • homebrew-tap Public

    Homebrew tap for 291 Group's open source tools

    291-Group/homebrew-tap's past year of commit activity
    Ruby 0 0 0 0 Updated Oct 19, 2026