Surge XT Effects
Surge Synth Team
Surge XT Effects makes the project's effect algorithms available for processing other audio.
View details →Quick audio memo
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Find permanently free recording tools, instruments, effects and audio utilities for desktop, mobile and the browser. Each listing explains its purpose, compatibility and important free-edition restrictions, with links to the official source.
These are researched directory entries, not hands-on reviews. Optional purchases, account requirements and limited editions are identified on product pages. Format availability can differ by operating system.
Surge Synth Team
Surge XT Effects makes the project's effect algorithms available for processing other audio.
View details →Caelum Audio
Tape Cassette 2 adds cassette-inspired saturation and instability to recorded audio.
View details →Dusk Audio
Tape Echo 2 models a three-head tape-delay system with a spring-reverb path.
View details →Tokyo Dawn Labs
TDR Kotelnikov is a wideband dynamics processor designed for controlled compression in demanding mix and mastering work.
View details →Tokyo Dawn Labs
TDR Molotok is a character-oriented compressor with a range of dynamics behaviors.
View details →Tokyo Dawn Labs
TDR Nova combines parametric equalization with frequency-dependent dynamics.
View details →Tokyo Dawn Labs
TDR Prism is a spectrum analyzer designed to make frequency balance easier to inspect during production.
View details →Tokyo Dawn Labs
TDR VOS SlickEQ is a tone-shaping equalizer with selectable response characters and an interface built around broad musical decisions.
View details →Klanghelm
TENS jr.
View details →Variety Of Sound
TesslaSE mkIII is a saturation processor intended for adding analog-style density and transient coloration.
View details →Ignite Amps
The Anvil is a multi-channel guitar preamplifier simulator.
View details →Full Bucket Music
The Deputy Mark II is a string-synthesizer-style instrument for ensemble textures and related keyboard sounds.
View details →Full Bucket Music
The scrooo uses spectral and formant-oriented synthesis to create sounds with vocal-like or resonant characteristics.
View details →Variety Of Sound
ThrillseekerXTC mkII is a harmonic-enhancement processor for selective tonal coloration.
View details →IK Multimedia
TONEX 2 CS is the permanent free entry into IK Multimedia’s tone-modeling ecosystem.
View details →Ignite Amps
TPA-1 models a tube power-amplifier stage for guitar processing.
View details →u-he
Triple Cheese uses comb-filter-based synthesis to build sounds with resonant and sometimes unusual harmonic structures.
View details →Ignite Amps
TS-999 is an overdrive-pedal simulation for guitar-oriented signal chains.
View details →Ignite Amps
TSB-1 is a bass-oriented overdrive processor from Ignite Amps.
View details →2Rule / Tuğrul Akyüz
TugImgSynth derives oscillator material from images, using a path across picture brightness to create the waveform a voice plays.
View details →u-he
TyrellN6 is a virtual-analog synthesizer with a compact architecture and modulation options suited to classic electronic sounds.
View details →UVI
UVI Player is the current name of UVI Workstation, a free instrument environment for UVI soundware and Falcon Expansions.
View details →Valhalla DSP
Valhalla Freq Echo combines delay with frequency shifting, producing echoes that change spectral position as they repeat.
View details →Valhalla DSP
Valhalla Space Modulator explores flanging and related modulation effects through a range of algorithms.
View details →Availability, licensing and system requirements can change. Verification refers to official documentation and download availability, not installation or hands-on testing. Check the developer's current terms before installing.