[nonrandomstring]

You're right it's scandalous that "open" standards touted for public safety and interoperability are sold for a fortune, excluding any small business, curious individual or inventor.

That's congruent with the problem of parasitic publishers like Elsevier who gouge publicly funded science and hold the world's papers to ransom.

Practically, theremedy is the same; there's nothing in the above list I can't find with a little effort via bit-torrents and Tor hidden services. It's a small inconvenience to do the legwork and then clean any PDF files for potenial malware.