Native macOS SDR client // Apple silicon

Make the band
feel alive.

HermitSDR is a fast, local-first workstation for Hermes-Lite 2, SquareSDR, and Apache Labs ANAN radios. Deep DSP, GPU-native spectrum work, serious transmit controls—without leaving your Mac.

Current releaseHermitSDR 2026.0907_001Released September 7, 2026 · macOS 15+ · Apple silicon · 23.7 MB DMG
↓ DOWNLOAD .DMG
no accountno package managerbuilt for arm64
HermitSDR branding artwork: a hermit crab in a hood against a radio waterfall
2radio protocol families
48–1536kHz sampled bandwidth
Swift + Metalnative performance path
LAN onlyradio traffic stays local
The operating desk

A whole radio station in one focused app.

Receive, transmit, inspect, decode, record, replay, spot, and shape audio from one desktop application. Keep an ADIF logbook with awards, a worked-world map and DX radar; organize tools with the Features catalog.

RF + DSPUSB, LSB, CW, AM, SAM, FM, NFM, DSB; filtering, NR, notch, AGC, EQ and squelch.
DECODERSFT8/FT4, CW, RTTY, SSTV, WEFAX and a GPU-wideband CW OmniSkimmer.
TRANSMITInterlocked PTT, metering, SWR protection, CAT PTT, TX EQ, dynamics and monitor path.
TIME MACHINEUp to 180 seconds of full-span IQ history; replay, export and investigate later.