I found a fresh vanilla style SMP where the world is new and everyone is moving up together right now. It is survival with Simple Voice Chat so people actually talk while they play.
The server stays active every day with around 5 to 10 players online a lot. The community is meant to be close and not full of people who leave right away.
The world border is set to 2000 by 2000 so players stay near each other and it expands over time. The End is locked until April 11 so progression feels fair.
They want a long term world with no pointless resets. Rules are simple and enforced with no griefing no stealing and no random killing. Whitelist is selective so they only take players who will stay active and contribute.
Version is 1.21.1 Java and the last season had 20 plus players on day one.
