Liked Self-hosting TiddlyWiki with GitHub Pages by Chris AldrichChris Aldrich (boffosocko.com)
TiddlyWiki is most often used as a private wiki for personal note taking and creating private journals. Because it is a single text file usually named index.html written in HTML, CSS and some JavaScript, I thought it would make an ideal candidate for a simple-to-use personal website that can be ho...
Bookmarked Etherpad’s Video Conferencing security: What do we do differently to Zoom? – John McLear (mclear.co.uk)
That’s the honest truth about modern software, it’s vulnerable. It’s ALL vulnerable so you have a choice to use something that is honest about it’s vulnerabilities or hides behind the door of closed source providing an ignorance is bliss situation.

Some great information and food for thought, @johnmclear is not trying to sell the product. Relevant to @dgilmour’s link to creativecommons & #OER I don’t think this is the time to pivot tools, but one to keep in mind.