Here are some cool versions of the Digital Logic Sim project created by the community:
https://github.com/DigitalLogicSimCommunity/Digital-Logic-Sim-CE
https://github.com/UkrainianBanderasCat/Digital-Logic-Sim2
If you've created your own version, feel free to share it with me by posting it here.
Please make sure you're following these guidelines