List of all links you can try with ULX3S
http://www.nxlab.fer.hr/fpgarduino
https://github.com/f32c/fpgarduino
https://github.com/f32c/arduino
https://riscv.org/wp-content/uploads/2016/07/Tue1600zec_fpgarduino_riscv_wsV2.pdf
https://www.youtube.com/watch?v=2DlkXjZnMjc&t=2s
https://github.com/SymbiFlow/prjtrellis
https://github.com/YosysHQ/nextpnr
https://github.com/YosysHQ/yosys
https://github.com/DoctorWkt/ULX3S-Blinky
https://github.com/emard/Verilog_tic-tac-toe
https://github.com/emard/prjtrellis-picorv32
Sources are prepared to compile with both open and closed source tools
HDMI, LED 64x64, LCD 3.5", OLED, SPDIF/ANALOG AUDIO ...
https://github.com/emard/ulx3s-misc
https://github.com/emard/galaksija
https://github.com/emard/UK101onFPGA
https://github.com/emard/Minimig_ECS (Amiga)
https://www.youtube.com/watch?v=q0nysMydf4I&t=1s (Amiga Youtube)
https://github.com/emard/fpga_snake_game
https://github.com/emard/Papilio-Arcade
https://www.youtube.com/watch?v=CR-pVxN-08k (Galaksija Youtube)
https://github.com/emard/vhdl_phoenix
https://www.youtube.com/watch?v=cgYtZW4zPSI
https://github.com/emard/flearadio
https://github.com/emard/rdsfpga
https://github.com/emard/ledstrip
https://twitter.com/fpga_dave/status/1053290842809683968