Some projects using LoRa radio for the Ham.
Most promising so far: https://epxx.co/logbook/entries/loramador_en.html https://www.youtube.com/watch?v=nXooq_4EkzU&feature=emb_logo https://github.com/elvis-epx/LoRaMaDoR
Others: Arduino-Kiss https://github.com/flok99/arduino-kiss (5 years ago last update)
LoRaHam (German doesn't translate well) https://devlol.org/wiki/fire/LoRaHAM
Hamshield LoRa Edition (1 watt in 144/440/915mhz versions) https://inductivetwig.com/products/hamshield-lora-edition-high-power?variant=31614414323808 https://www.tindie.com/products/caseyhalverson/hamshield-lora-edition-1-watt-440mhz/ https://github.com/EnhancedRadioDevices/LoRaHam (very interesting maybe properitary for Hamshield ?)
LoRaHam old project, I forked years ago, hasn't been updated in a while. https://github.com/travisgoodspeed/loraham
Kiss-Lora-arduin another Arduino-Kiss sketch (2 years old was the last update) (needs some work to get it working with TTGO boards) https://github.com/josefmtd/kiss-lora
General Information but no code: LoRa AX25 IP Network https://github.com/dmahony/LoRa-AX25-IP-Network
LibAPRS Information: https://unsigned.io/projects/libaprs/ https://unsigned.io/15-kilometre-ssh-link-with-rnode/
LoRa Chat Device (raspberry pi) Information: https://libraries.io/github/joehunt588/Lora-Chat-Device
ESP32 LoRaAprs: (Not tested) LoRa APRS ESP32 KISS APRSDroid bluetooth modem, LoRa APRS-IS RX/TX iGate w/digipeater https://github.com/sh123/esp32_loraprs
LoRa-Aprs: (Not tested) another APRS for LoRA https://github.com/josefmtd/lora-aprs
LoRaKissTNC: (???? probably need some work to make it work with the TTGO boards) https://github.com/w-ockham/LoRaKissTNC
KISSLoRaTNC: (doesn't work as is with TTGO boards, worked on some changes, didn't get it working) https://github.com/kc1awv/KISSLoRaTNC
Not just Ham radio chat sketch: LoRa Messenger https://github.com/Airrr17/LoRa_messenger
My Current LoRa boards (Aug 7, 2020): LoRa w/OLED 433Mhz (4 boards)
LoRa32u4 II 915Mhz (2 boards)
LoRa Node Micro Shield (4 maybe 3 now) LoRa Node 915Mhz on custom PCB 1
LinkSprite LoRa Shield 915Mhz (4 boards) Blkbox.me LoRa 915Mhz SX1276 (2 boards) RFM95 915Mhz LoRa module (1 and 1 on D1 Mini PCB) EByte E32 915T20D LoRa Serial Device (2 baords) M5Stack LoRa868 Module (2 modules)