Someone should make a variant of Khan Academy with the same content (which is under Creative Commons) but no non-libre software, call it 4khan, and list the "4 essential khans" (you khan run the program as you wish for any purpose, etc.) on the homepage
I'd like to try Matrix, but I still don't know of a good client. I don't want Electron on my computer, so the official client is out of the question. I tried nheko, but I didn't like it (though I can install it again if it turns out that there is no better option)....
English is burdened with a culture that emphasize empirialism, capitalism, individualism and so on. A culture that ignores climate catostraphy, global inequality and brings disproportionate attention to countries with english as national language. Additionally english is the language of Trump, Boris Johnson, Margareth Thatcher...