Acronym for Open Source Development Labs.

OSDL "is dedicated to accelerating the growth and adoption of Linux in the enterprise. Founded in 2000 and supported by a global consortium of IT industry leaders, OSDL is a non-profit organization that provides state-of the-art computing and test facilities in the United States and Japan available to developers around the world. OSDL's founding members are IBM, HP, CA, Intel, and NEC."

It is leant serious credibility due to the fact that early 2004, LinusTorvalds became a Fellow of the OSDL, on sabbatical from Transmeta?. He is paid to hack on the kernel full time.