After owning a creative freebuild server for, as of today, one year, these are some of the better builds we have seen (server details in the comments) : r/Minecraft
Problematic freebuild? | Hypixel - Minecraft Server and Maps
BuildersUnite | 1.12.2 | Creative Freebuild | Survival | & More - PC Servers - Servers: Java Edition - Minecraft Forum - Minecraft Forum
Minecraft - Freebuild City - Server Tour - YouTube
Datei:Map5 freebuild.png – Minecraft Gameserver Wiki
LF java players to join our freebuild server :) : r/MinecraftServer
DCS_MEDIA's Minecraft Playstation - 3 Freebuild World