Codatex RFID Sensor for NXT (http://www.codatex.com/lego-sensor.html) also works with the EV3 (at least with LeJOS and RobotC) but there is no driver yet for ev3dev ...
1.1 The Socket Server is a Windows Form running in Visual Studio 2017 Community, written by Python with IronPython 2.7 (32 bit) 1.2 The Socket Client is running in your EV3 Brick installed with EV3Dev ...