tube, Free
| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| SimulAnalog Guitar Suite v1.0 | Simulation of some famous guitar amplifiers and stompboxes including Fender - who also have a low-cost Acoustic Guitar. | Windows | Freeware | 2010-05-20 | 24 | 90db |
| Studio Devil British Valve Custom v1.2 | Guitar tube amplifier modeling plug-in. [VST/AU/RTAS] | Mac | Freeware | 2011-10-28 | 1 | 65db |
| Extremist v1.2 | Multi-effect plug-in [VST] | Windows | Freeware | 2007-05-14 | 0 | 65db |
| Studio Devil British Valve Custom v1.2 | Guitar tube amplifier modeling plug-in. [VST/RTAS] | Windows | Freeware | 2011-10-28 | 1 | 55db |
| Dirthead v0.8 | Tube guitar amp plug-in. [VST] | Windows | Freeware | 2008-01-02 | 0 | 50db |
| Crow Preamp Emulator | Emulates the way tube preamps behave and sound. [VST] | Windows | Freeware | 2006-06-02 | 3 | 50db |
| TubeBaby v1.0.1 | Digital simulation of a tube guitar amplifier. [VST] | Windows | Freeware | 2004-10-14 | 2 | 50db |
| MBQualizer v1.0 | Vintage tube driven 3-band EQ emulation. [VST] | Windows | Freeware | 2007-02-11 | 0 | 45db |
| Saro | Saro is a tube distortion effect with cabinet modeling. | Windows | Free | 2005-01-20 | 0 | 40db |
| RS Twisted Tube v1.0 | Tube emulator with a different warm distortion. [VST] | Windows | Freeware | 2006-03-01 | 0 | 35db |
