Building & World Editing Plugins · Plugin · by EngineHub
An in-game map editor: selections, copy and paste, brushes and schematics for creative building and staff repairs.
Paper · Spigot · Folia · +5MC 26.3 · 26.2
Folia support · Open source
Plugin
A WorldEdit-compatible plugin built for very large edits, applying changes off the main thread so the server does not freeze.
FastAsyncWorldEdit is a Minecraft building and world editing plugin for Paper, Spigot, Purpur and Bukkit, listed under Building & World Editing Plugins. It lists support for Minecraft 26.3 and 26.2. It is free.
From the source listing
FastAsyncWorldEdit, often called FAWE, is a fork of WorldEdit that performs large operations asynchronously and adds extra performance and building features. It runs on Paper and Spigot. It is maintained by the IntellectualSites team under the GPL, and its documentation covers installation and differences from WorldEdit.
From the source listing
Same category
Most recently approved first. This is not a recommendation or a ranking.
Building & World Editing Plugins · Plugin · by EngineHub
An in-game map editor: selections, copy and paste, brushes and schematics for creative building and staff repairs.
Paper · Spigot · Folia · +5MC 26.3 · 26.2
Folia support · Open source

Lobby Display Plugins · Plugin · by zArrowTan
A ready server lobby on a tropical jungle build: server selector NPCs with live player counts, leaderboards, crates, 14 chat tags and a hex-styled TAB and scoreboard.
Paper · BungeeCord

Lobby Display Plugins · Plugin · by zArrowTan
A hub and lobby server setup, built natively for Minecraft 1.21.11 (version 8.0 on BuiltByBit).
Minecraft 1.21.11