bass

Instruments for the bass register, sampled or synthesised.

Also called 808 bass bass guitar bassline sub

15 plugins in this category. Also as Turtle.

Basilico— danja

Monophonic bass instrument with upright, electric, dub, acid, and industrial models. Voice block adds a sine harmonic at an integer multiple of the main pitch. Wobble Sub Mix modulates sub level via the LFO. Envelope Sub

free open source MIT VST3 bass instrument

BassPreamp— Guillermo Moñino Cánovas

Bass preamp plugin blending ideas from multiple bass preamp effects — noise gate, MarkBass-inspired character/VPF control, and tone shaping

free open source MIT VST3 AudioUnit effect bass instrument

BassSynth— OTODESK

Wavetable bass synthesizer with math-generated morphing tables, spectral morphing, and an auto-chord-learning impulse response engine

free open source AGPL-3.0 VST3 bass instrument synth

Double Bass— DSmolken

1958 Otto Rubner double bass played arco and pizzicato with additional miscellaneous noises.

free open source CC0-1.0 bass instrument sampler

JC303— Midilab

A bass synthesizer designed to simulate bass guitars. Based on the Roland TB-303 Bass Line.

free open source GPL-3.0 VST3 LV2 AudioUnit CLAP effect bass instrument synth distortion

Minaton-XT— AnClark Liu

A monophonic, subtractive, beefy analogue style bass and lead synthesizer. Ports the original Minaton by Nick Bailey to DPF (DISTRHO Plugin Framework).

free open source GPL-3.0 VST3 LV2 CLAP bass instrument synth

Monique— Surge Synth Team

Monophonic, realtime, subtractive-synthesis bass-and-lead software synthesizer.

free open source GPL-3.0 VST3 AudioUnit CLAP Standalone bass instrument synth

OmniAmp— ArborealAudio

Multi-purpose audio tool.

free open source GPL-3.0 VST3 VST2 effect bass instrument distortion compressor dynamics reverb amp guitar

Orbital Bass Engine— Tanguy VIVIER

An open-source bass guitar audio plugin built with JUCE, providing a complete signal chain for bass tone shaping — analog-modeled compression, vintage-style drive amplification, and a post-amp effects rack.

free open source GPL-3.0 VST3 AudioUnit Standalone effect bass instrument compressor dynamics