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 FM8
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
8.4Great
FM8 is Native Instruments' digital FM synthesizer with eight operators and a modern interface, the successor to FM7.
Editorial analysis
The key difference
Dexed and FM8 are the two names that come up whenever someone wants DX-style FM without a hardware DX7. Dexed is free and faithful; FM8 is Native Instruments’ paid, more approachable FM workstation.
Decisive signal
Dexed models classic 6-operator DX7 architecture and SysEx cartridge workflows for free. FM8 uses eight operators, a visual matrix, a large preset library, and modern effects inside the NI ecosystem. Dexed is the open standard for DX authenticity; FM8 is the friendlier design environment if you already live in Komplete.
Choose Dexed if
Choose Dexed if you want free, accurate DX7-style FM and SysEx cartridge compatibility on Windows, Mac, or Linux.
Open plugin file →Choose FM8 if
Choose FM8 if you want a visual FM matrix, eight operators, a huge preset library, and you are comfortable in the Native Instruments ecosystem.
Open plugin file →Buying verdict
Which should you buy?
Start with Dexed — free, accurate, and SysEx-capable. Move to FM8 if you want a more visual matrix, more operators, and NI library integration. Many FM users keep Dexed for classic banks and FM8 for new design.
Technical matrix
Specs compared
| Signal | Dexed | FM8 |
|---|---|---|
| Price | Free | $99.00 |
| Dubspot Score | 8.3 | 8.4 |
| Formats | VST, AU, LV2, Standalone | Standalone, VST, VST3, AU (macOS only), AAX |
| Type | FM synthesizer (Yamaha DX7 model) + SysEx librarian | — |
| License | Free / GPL v3 open source | — |
| Synthesis | 6-operator FM (DX7-style) | FM (frequency modulation) synthesis |
| Cartridge tools | MIDI cartridge librarian/manager for DX7 SysEx | — |
| Formats | VST, AU, LV2 (platform-dependent); standalone builds | — |
| Platforms | Windows, macOS, Linux | Windows (64-bit) and macOS (64-bit) |
| Operators | — | 8 operators, freely combinable in algorithms |
| Presets | — | Over 1,200 presets |
| Effects | — | 12 built-in high-quality effects |
| Plugin formats | — | VST, VST3, AAX (Win); VST, VST3, AU, AAX (Mac) |
Quick reference
Dexed vs FM8: FAQ
Is Dexed as good as FM8?
For classic DX7 tones and SysEx banks, Dexed is excellent and free. FM8 is easier for new FM design and ships more modern workflow sugar. Different jobs.
Can Dexed load DX7 patches?
Yes. Loading and managing DX7 SysEx cartridges is one of Dexed’s core strengths.
Is FM8 free?
No. FM8 is a paid NI product (often discounted or bundled in Komplete). Dexed is free and open source.
See the full plugin database for more comparisons.