Amateur
- 221
- Project Oscar
- International amateur satellite organization. Contains information about amateur satellites, operation, status and news.
- 226
- ACARS Decoder
- A free ACARS Decoder for Linux and Windows, plus a real-time ACARS server application.
- 227
- AI9NL - Harv's Linux software
- Linux distribution based on Knoppix and designed for amateur radio use. Includes installation instructions, screenshots and FAQ.
- 229
- APRSISCE/32
- Automatic Packet Reporting System (APRS) Client, written for Windows (x86 and x64) and Windows Mobile (CE). It will also run on Linux and Mac OS under WINE, as well as other virtual machines.
- 233
- Audiocorder
- Turn a Mac computer into a VOX operated audio recorder. Software desided specifically for unattended station recordings.
- 236
- Bavarian Packet Radio Group
- Contains information about BayCom packet radio hardware and software for radio amateurs. It also contains general information on the German packet radio network.