Linux AX25 Howto (and mostly vintage pages…):

• Packet Radio a way of life
• AX25 on a Raspberry Pi
• TNC-Pi
• Official JNOS2 Site
• OpenBCM
• TARPN – Terrestrial Amateur Radio Packet Network

• The G8BPQ AX25 Networking Package
• The G8BPQ Mail Server Configuration
• BPQ Quick Start with bpq-config

• XRouter – Online Amateur Radio Community
• XRouter Documentation Index
• XRPi – Xrouter on Raspberry Pi

• Packet Network Display map
• APRS Network Analysis
• OpenVPN Status monitor
• Broadband Hamnet (by ARI Scandicci)
• Hamnet DB