As with all online forums, these require membership, which is free.
Administered by the CPR, this Facebook forum for the Via Francigena has almost 20,000 members (as of 2023)
https://www.facebook.com/groups/19899007360/ (VIA FRANCIGENA)
Like the CPR Facebook page to receive our notifications:
https://www.facebook.com/Confraternity-of-Pilgrims-to-Rome-1439019926329097/ (CONFRATERNITY PAGE)
Camino de Santiago forum has separate pages for:
https://www.viafrancigena.me/forums/via-francigena-in-italy.17/
https://www.viafrancigena.me/forums/via-francigena-del-sud.19/
https://www.viafrancigena.me/forums/assisi-to-rome.18/
https://www.facebook.com/viafrancigenaforum/ (VIA FRANCIGENA FORUM)
https://www.facebook.com/groups/289838098362264/ (WOMEN OF THE VIA FRANCIGENA)
https://www.facebook.com/viafrancigenasuisse/ (VIA FRANCIGENA SWITZERLAND)
https://www.facebook.com/groups/viafrancigenadelsud (VIA FRANCIGENA DEL SUD)
https://www.facebook.com/groups/magnaviafrancigena MAGNA VIA FRANCIGENA (Sicily)