Asking to find communities to join for work discussions.<p>Reddit doesn't support conversational discussions well. Then, Slack & Discord are walled-off, hard to find, or inactive.
Old-school forums are frequently alive and well. See<p><a href="https://www.dpreview.com/forums" rel="nofollow noreferrer">https://www.dpreview.com/forums</a><p>and<p><a href="https://coderanch.com/" rel="nofollow noreferrer">https://coderanch.com/</a><p>and<p><a href="https://polyamory.com/" rel="nofollow noreferrer">https://polyamory.com/</a><p>for just a few. Maybe somebody ought to make a directory.
Run your own bbs? Edit: <a href="https://en.m.wikipedia.org/wiki/Bulletin_board_system" rel="nofollow noreferrer">https://en.m.wikipedia.org/wiki/Bulletin_board_system</a>