If you're looking for links-of-the-moment with commentary, there's Slashdot, at least.
If you want a community to get to know, there are thousands of old-school forums on various topics - some of them even "general interest" rather than niche-focused.
If you just want a website to waste brain cycles on, well, there are a lot of those.
dungeonHack wrote
Reply to Mainstream, not politically-focused alternatives to Reddit? by ArmyOfNone
What are you looking for, exactly?
If you're looking for links-of-the-moment with commentary, there's Slashdot, at least.
If you want a community to get to know, there are thousands of old-school forums on various topics - some of them even "general interest" rather than niche-focused.
If you just want a website to waste brain cycles on, well, there are a lot of those.