yellowTAB
yellowTAB was a German software company primarily known for developing ZETA, an operating system based on the BeOS codebase. The company, which ceased operations in 2006, aimed to provide a user-friendly desktop computing environment for enthusiast markets.
Brand Identity Data
HQ Country
Germany
HQ City
Mannheim
Founded
2001
EU Headquartered
Yes
EU Manufactured
Yes
Stock Exchange
Private
Repair / Recycling
No
Ethical Certifications
None verified
Verified on July 22, 2026