Get NullCad for Windows and Linux.
NullCad Core is free and needs no account — download, open, and start drawing. Builds are published to the public nullcad-releases repository on GitHub;the buttons below always fetch the latest release.
What changed in each version is on therelease notes page; older builds can be found on GitHub.
Verify your download
Hash the file you downloaded and compare it against the SHA-256 shown on its card above — the two must match exactly.
On Windows, in PowerShell:
Get-FileHash "$env:USERPROFILE\Downloads\NullCad-windows-x64-setup.exe"
On Linux:
sha256sum ~/Downloads/NullCad-linux-x86_64.AppImage