ngspice
on SourceForge
ng-spice-rework/old-releases/28/ReleaseNotes.txt
ng-spice-rework/old-releases/28/README
ng-spice-rework/old-releases/28/ngspice-28_fftw_64.zip
ng-spice-rework/old-releases/28/ngspice-28_dll_64.zip
ng-spice-rework/old-releases/28/ngspice-28.tar.gz
ngspice
on SourceForge
ng-spice-rework/old-releases/28/ngspice-28.pkg
ng-spice-rework/old-releases/28/ngspice-28-manual.pdf