ZynAddSubFX
A Real-Time Software Synthesizer for Linux
ZynAddSubFX is a many-featured real-time software synthesizer for Linux. Features include polyphony and multitimbrel and microtonal capabilities. It includes randomness of some parameters, which can make warm sounds, like analog synthesizers. This program has system and insertion effects, too.
There is no official package available for openSUSE Leap 15.6Distributions
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.