Klaus Knopper (born 1968 in Ingelheim) is a German electrical engineer and free software developer.

Knopper is the creator of Knoppix, a well-known live CD Linux distribution.

He received his degree in electrical engineering from the Kaiserslautern University of Technology (in German: Technische Universität Kaiserslautern), co-founded LinuxTag in 1996 (a major European Linux expo) and has been a self-employed information technology consultant since 1998.

She has been assisting Knopper with a version of Knoppix for blind and visually impaired people, released in the third quarter of 2007 as a live CD.

[1] Adriane is a desktop or "non-graphical user interface" for blind computer beginners.