CHIPS Alliance — Description: Open-source hardware development organization under the Linux Foundation. Develops Caliptra, an open-source silicon Root of Trust with contributions from AMD, Google, Microsoft, NVIDIA, and Samsung.

Note: The provided source text excerpt is insufficient to verify the claim. While the source URL is from chipsalliance.org (which is relevant), the actual text excerpt provided does not contain any information about CHIPS Alliance's description, its relationship to the Linux Foundation, Caliptra, or the contributing companies (AMD, Google, Microsoft, NVIDIA, Samsung). The excerpt only shows a blog post title and date. To verify this claim, the actual descriptive content from the CHIPS Alliance website would be needed, not just a blog post title.