Antix, pretty cool Debian-based distro made by (at least nominally self proclaimed) antifascists. I guess we could also count some socialist-backed distros like Nova linux.
Beyond distros though, I’d say there are plenty of left leaning people working on various projects, such as Gnome.
Personally, I think this is good. Obviously most people here already use some libre alternative or just access this via the web or dual boot, but most non-computer savvy people are dead set with keeping to what they already use either because of work or simply being more comfortable sticking with what they know.
Plus, there’s probably cases where the web versions aren’t going to be viable. Kind of ironic that so many linux people simultaneously make fun of the ChromeOS workflow where everything depends on browser-based services while dismissing people who can’t switch fully because needing the MS suite with “just use the browser version”.