SpectMorph
SpectMorph is able to morph between samples of musical instruments...
SpectMorph (CLAP/LV2/VST plugin, JACK) is able to morph between samples of musical instruments.
A standard set of instruments is shipped with SpectMorph, and an instrument editor is available to create user defined instruments from user samples.
SpectMorph is a free software project which allows to analyze samples of musical instruments, and to combine them (morphing). It can be used to construct hybrid sounds, for instance a sound between a trumpet and a flute; or smooth transitions, for instance a sound that starts as a trumpet and then gradually changes to a flute. In its current version, SpectMorph ships with many ready-to-use instruments which can be combined using morphing.
SpectMorph is available on Windows, macOS and Linux, as a CLAP, VST and LV2 plugin.