Tubeshifter is a free analogue-style tube saturation plugin for macOS and Windows from the developer Frostwave Audio.

Frostwave Audio is a Nordic developer founded by Reidar Schæfer Olsen, who later partnered with sound designer Niklas Eurén.

Reidar Schæfer Olsen is perhaps better known as Danheim, an acclaimed Nordic folk artist whose penchant for epic Viking music helped him amass over 500,000 YouTube…