A no-install, no-config option I built for this purpose: https://rss.diffbot.com

Reeder on iOS and Mac is excellent. Not open source, but lovingly crafted by an indie dev.

Bluesky: https://bsky.jazco.dev/stats Mastodon: https://fedidb.org/software/mastodon

There isn’t a 1:1 comparison. But the closest comparison looks like Mastodon is on a bit of a decline at 800k MAU. Bluesky is roughly 400k daily likers.

If, as an employee, you offer your personal laptop or pay for work expenses out of pocket without asking to get it reimbursed, no functioning company will question it or bother.

If you need something for work and they won’t give it to you, then you can’t work. It’s as simple as that.