There are 2 repositories under 125khz topic.
Iceman Fork - Proxmark3
The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.
[Deprecated] Iceman Fork, the most totally wicked fork around if you are into proxmark3
ID Card Reader and Writer for Android
A simple library to interface with RDM6300 RFID reader.
A simple library to interface with Gwiot 7941E RFID reader
IoT Smart Door Lock with Rfid Reader
Custom helper tool for LAN parties
MicroPython driver for HZ-1050 UART and Wiegand 125Khz RFID Reader
ESP32 rfid reader/writer using the EM4095 chip
MicroPython driver for Gwiot 7941E UART 125Khz RFID Reader