Both allow running your basic 2D code written either of Adafruit::GFX, and LEDMatrix, or 2D FastLED on your linux computer:
There is basic serial input/output emulation to allow you to interact with serial debugging on your arduino code when run on linux, and of course you can run the code under gdb.
You can find all the code and installation/usage instructions here: https://github.com/marcmerlin/FastLED_NeoMatrix_SmartMatrix_LEDMatrix_GFX_Demos
This is what it looks like when it's bigger: