padthv1 is an old-school polyphonic additive synthesizer with stereo fx.
padthv1 is based on the PADsynth algorithm by Paul Nasca, as a special variant of additive synthesis.
This is free and open source software.
Key Features
- Pure stand-alone JACK client with JACK-session, NSM (Non/New Session Management) and both JACK MIDI and ALSA MIDI input support;
- LV2 instrument plug-in.
Website: padthv1.sourceforge.io
Support:
Developer: Rui Nuno Capela
License: GNU General Public License v2.0

padthv1 is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Synthesizers | |
|---|---|
| Surge XT | Hybrid polyphonic synth supporting MPE; run as an LV2 plugin, or VST |
| ZynAddSubFX | Realtime software synthesizer with many features |
| Fluidsynth | Synthesizer based on the soundfont2 specifications |
| Geonkick | Synthesizer that can synthesize elements of percussion |
| VCV Rack | Eurorack modular synthesizer simulator |
| Yoshimi | MIDI software synthesizer; fork of ZynAddSubFX |
| Dexed | Multi platform, multi format plugin synth |
| Cardinal | Virtual modular synthesizer plugin |
| amSynth | Two oscillator software synthesizer; subtractive synth topology |
| DIN Is Noise | Sound synthesizer and musical instrument |
| terminatorX | "Scratch" on digitally sampled audio data |
| Qsynth | Qt GUI interface for FluidSynth |
| AlsaModularSynth | Realtime modular synthesizer for ALSA |
| Odin2 | VST3, CLAP, AU and LV2 synthesizer plugin |
| Bristol | Vintage synthesizer emulator |
| synthv1 | Old-school polyphonic synthesizer |
| padthv1 | Old-school polyphonic additive synthesizer |
| Borg ER-3 | Portable audio synthesizer / tone generator inspired by the Korg ER-1 |
| Actuate | Subtractive and additive synthesizer, sampler, and granulizer |
| Qwertone | Simple music synthesizer app (like a toy-piano) |
| Six Sines | Compact software synthesizer built around audio-rate inter-modulation |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

