Upright Piano is a freeware piano virtual instrument in VST/VST3/AU plugin formats for Windows and macOS
It is based on a set of piano samples recorded by Rudi Fiasco.
The plugin features four sampled notes per octave and six dynamic layers per note. The user can adjust the attack and release time, tremolo intensity and speed, global volume, and key release volume, as well as the built-in low-pass filter and reverb effects.
Rudi Fiasco is an Italian pianist and audio engineer. Visit his website to download the free piano samples that were used to create Upright Piano.
Installation: On Windows, extract the downloaded archive to your VST plugins folder (the one which is scanned by your DAW). On macOS, extract the downloaded archive to /Library/Audio/Plug-Ins/Components and restart your DAW