- Austrian Portatble Amateur Radio - Awards for Hunters: AGA, ACA, AHA, AMA, ALA, ARDF, SOTA
- CONTEST Service by SM3CER
- eQSL The Electronic QSL Card Centre
- FUNKAMATEUR - die Zeitschrift
- LoTW Logbook of the World
- PACKET-RADIO Portal (packetzone.de)
- QRZ World Radio Directory
- QSL LX National QSL Bureau