[greesil]

Yes!!! I've been wanting to make something like this for a long time. But unless the firmware is open source I wouldn't trust this for anything secure. But this looks like a dev kit so I can do whatever I want.

[lm28469]

There are other alternatives https://meshtastic.org

[mikeytown2]

It's mostly open source. https://github.com/meshcore-dev/MeshCore They have a couple minor things that are paid features.