HPLF

H-Pi Lo-Fi Microstudio (HPLF) is a stand-alone [not a plugin] fully tunable softsynth and multi-track audio utility which places emphasis first on tuning flexibility, using basic building blocks of electronic sound.

Tunings can be specified across the entire MIDI range (unique tunings per channel, totaling 2048 available pitches). HPLF is compatible with U-PLEX and TPX keyboards, and standard MIDI controllers, and can communicate with sequencing and notation software such as Sibelius, Finale, Logic, etc.