Resources

Amateur Radio Projects and Software Defined Radio

Software Defined Radio Resources

How SDR Radio Works from W9OY Blog

Commercial SDR Radios

Flex Radio – SDR based Ham Radio Transceivers
Perseus – HF SDR receivers
RF Space – HF SDR receivers
Quicksilver QS1R – HF SDR receiver
WinRadio – HF and VHF / UHF SDR receivers
Alinco – HF and VHF / UHF receivers with IQ outputs
Elecraft – KX3  HF Transceiver with IQ output (Coming this fall)
FUNcube Dongle – Wideband VHF / UHF receiver
Apache Labs – HF – 6 meter SDR Transceivers
Elad – Wideband VHF / HF Receivers  and HF Transceiver
AirSpy – Wideband VHF / UHF Receiver
SDRPlay – Wideband VHF / UHF / HF Receiver

Current SDR Radio Kits

SDR Cube – HF SDR Transceiver
GenesisRadio – HF SDR Receiver and HF Transceiver kits
SoftRock – HF SDR Receivers and Transceivers

SDR Software

PowerSDR – Works with SoftRock and Flex Radio hardware for Windows (custom version available for Apache Labs)
Winrad – Supports several SDR radios for Windows – General purpose
Linrad – SDR software for Linux and Windows – General purpose
Rocky – SDR software for Windows for Softrock kits
HDSDR – SDR software for Window supports many SDR Radios
CubicSDR – SDR software for Macintosh
Heterodyne – SDR software for Macintosh supports Apache Labs
iSDR – SDR software for iPad and iPhone
SDR-Console -SDR software for Windows supports many SDR Radios
CuSDR – supports Apache Labs
SDR-Sharp – supports AirSpy and others.
GNURadio – Linux General Purpose

D-Star Resources

D-StarUsers.org – Repeater Listings, Last Heard, etc
D-Star Gateway Status Page – Shows current status of D-Star gateways
D-Star Home – General info and repeater listings
Reflector List – List and Status
D-Star Tutorial – Good simple tutorial

Raspberry Pi

Raspberry Pi – Main Site
Wiki 

RTL2832U SDR

OsmoSDR – General Project Info
HDSDR – SDR Software Supporting RTL2832U DVB-T Sticks
SDR# –  SDR Software Supporting RTL2832U DVB-T Sticks
GNU Radio –  Linux SDR Software Supporting RTL2832U DVB-T Sticks