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SimpleSynth is a simple soft synth that takes input from a connected MIDI device and can play instruments from Soundfonts and DLS files including Apple's default General MIDI sound set.

What's New

Version 1.0
  • It doesn't crash loading Soundfonts on Leopard.
  • You can reload the built-in sounds without quitting.
  • It runs native on Intel.
  • SimpleSynth and its source code are now under an MIT license.


Mac OS X 10.4 or later

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SimpleSynth User Discussion

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Pat320 Member IconReview+70

That's perfect but please, please, please, add a save feature.
thx for this freeware

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Version 1.0
Anonymous Member IconReview

PERFECTO! Works the second I used it, has tons of sounds, best interface, and FREE! You guys rock

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Version 0.8
Anonymous Member IconReview

yep... finally i've found a synthesizer... and freee uiaueoheuhuiheaiuheih... the mac osx have just a few options, but this synth is simple... small.. and freeeeeee iaueoheaouiheuiehiaeh

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Version 0.8
Anonymous Member IconReview

Very simple, but works extremely well. I use it for playing soundfonts from my midi keyboard to my laptop as well as as a host for soundfonts with sequencing programs.

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Version 0.7
There are no Ratings for this App yet.
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Current Version (1.x)


Downloads 9,335
Version Downloads 3,965
License Free
Date 05 Feb 2008
Platform OS X / PPC 32 / Intel 32
Price Free
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