Other Arduino sketches (software projects) include a J1939 network scanner, and a simple SAE J1939 to USB Gat Read SAE J1939 ECU Programming & Vehicle Bus Simulation with Arduino by Wilfried Voss PDF ...

Arduino microcontrollers have added Python to the range of compatible programming languages. Others can be used, and not just Arduino's own IDE app.

SMT to DIP-8 Adapter for the DS1086 Programmable Clock Generator, Including an Arduino Sketch to program the chip. This repo has the full Kicad Project including gerbers, and a PDF of the schematic.