Here we have a number of ax.25 related links, and the ax25 software and some configuration examples that I use on my system.

Some older versions can be found here.

AX25 (can not find any date in the changlog, probably 2016 the RC5 release)
Ax25-tools > ax25-tools-0.0.10-rc5.tar.gz
Ax25-apps > ax25-apps-0.0.8-rc5.tar.gz
LibAx25 > libax25-0.0.12-rc5.tar.gz

Ax25-tools > ax25-tools-0.0.10-rc4.tar.gz
Ax25-apps > ax25-apps-0.0.8-rc4.tar.gz
LibAx25 > libax25-0.0.12-rc4.tar.gz

AX25 libraries, AX25 tools and AX25 apps
This software is patch by VE7FET
Get the recent version USE “git clone”
linuxax25-master > (Feb 10, 2019)
linuxax25-master > (Oct 22, 2017)

Ax25tools-1.0.2 > linuxax25-ax25tools-1.0.4.tar.gz (28 Aug, 2018)
Ax25apps-2.0.0 > linuxax25-ax25apps-2.0.0.tar.gz (28 Aug, 2018)
Libax25-1.1.1 > linuxax25-libax25-1.1.1.tar.gz (28 Aug, 2018)

Some items with configurations examples and some nice scripts