MSFC Procurement Doesn't Understand what "Open Source" Means
NASA Solicitation: Open Source Software to Support Projects at MSFC
“Arcata Associates Inc. plans to issue a Sole Source Request for Quote (RFQ) for Open Source Software to be used at Marshall Space Flight Center (MSFC).”
The solicitation focuses on A-RTP protocol Stack XP. You can get it for free here and here. What the solicitation is really after is support and training – not the software.