303 Plugins

Freeware

B-Line 303

www.buenasideas.de/2014/sonicxtc-bline-303-ein-roland-tb-303-vst-plugin-gratis/

Venom 303

antonsavov.net/cms/projects/venom-vb-303.html

Payware

Roland TB 303 Cloud

D16 Group - Phoscyon

Audiorealism Bassline V3