asb2m10.github.io
Dexed is a multi-platform, multi-format plugin synthesizer closely modeled on the Yamaha DX7. It also works as a MIDI cartridge librarian and manager for the DX7, with 144 DAW-automatable parameters and support for DX7 SysEx input and output. It is free software licensed under GPL v3 and is available for OS X, Windows and Linux in VST, AU and LV2 formats.