8.3Great
Dexed is a free open-source Yamaha DX7-style FM synthesizer and cartridge librarian for Windows, macOS, and Linux in VST, AU, and LV2 formats.
Plugin comparison
Dexed vs KaitoSato IMFMSynth
Specs, price and the Dubspot Score, side by side — with our verdict on which synth to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
KaitoSato IMFMSynth is an 8-operator free-routing FM and wavetable synth. Beta ¥3,000 / $19, list ¥7,400 / $49. VST3, AU, CLAP. DX7 .syx import.
Technical matrix
Specs compared
| Signal | Dexed | KaitoSato IMFMSynth |
|---|---|---|
| Price | Free | ¥3,000 / $19 beta |
| Dubspot Score | 8.3 | — |
| Formats | VST, AU, LV2, Standalone | VST3, AU, CLAP |
| Type | FM synthesizer (Yamaha DX7 model) + SysEx librarian | 8-operator free-routing FM + wavetable |
| License | Free / GPL v3 open source | 3 devices, offline after first activation |
| Synthesis | 6-operator FM (DX7-style) | — |
| Cartridge tools | MIDI cartridge librarian/manager for DX7 SysEx | — |
| Formats | VST, AU, LV2 (platform-dependent); standalone builds | — |
| Platforms | Windows, macOS, Linux | — |
| Version | — | 1.0.0 |
| Polyphony | — | 16 voices |
| MPE | — | Yes, ±48 semitones on member channels |
| Import | — | DX7 .syx (32 voices) |
| Languages | — | 9 UI languages |
| Windows | — | 10+ 64-bit, VST3 / CLAP |
| macOS | — | 10.13+ Intel and Apple Silicon, VST3 / AU / CLAP |
See the full plugin database for more comparisons.