Since this regulation is happening, necessary and welcome, it's good to see some of the most respected FOSS groups taking the lead. Hopefully many others representing smaller development communities will join the Eclipse initiative. I would characterise "Apache Software Foundation, Blender Foundation, OpenSSL Software Foundation, PHP Foundation, Python Software Foundation, Rust Foundation, and Eclipse Foundation" as…
> Joe Hacker also needs a seat at this table. Any suggestions on organizations? These come to mind, but there must be others. Free Software Foundation, https://www.fsf.org/ NLnet, https://nlnet.nl/project SPI, https://www.spi-inc.org/projects Software Conservancy, https://sfconservancy.org
Whether they'd have something to contribute with their resources is a completely different question.
A bit of a tangent: FSF has a separate legal entity within the EU (https://fsfe.org/) which is (IMHO) way better at advocating than its American counterpart. There's also FSFI (India) and FSFLA (Latin America), but I'm unfamiliar with their work.