British Amateur Radio Teledata Group
- BARTG caters for the radio amateur who is interested in data communications. All interests are covered from mechanical teleprinters through to Packet, FAX, AMTOR, PACTOR, CLOVER and PSK31. One of the oldest data communication enthusiast groups in the world.
Dmorse & WDmorsepop
- DMORSE freeware teaches Morse Code in simple steps. It is useful both for those starting to learn morse and for those who wish to increase their speed. Dos and Windows versions available.