Proudly hosted by CreeperHost (use this link for 10% off your first month)

World of Dinos by CannibalVox

Allows Fossils & Arch dinosaurs to spawn in a specified dimension.

World of Dogs by Mateiaru

Added a brand new Cute Dimension, armor, tools, mobs (Dogs and Puppies) and a lot more!

World of Pillar by PoulpoGaz

World of Pillar

WorldAndGenerationTweaks by Thebombzen

WorldAndGenerationTweaks provides various assorted tweaks to terrain generation.

worldgen tweak

WorldBorder by Brettflan, RoyCurtis

Efficient, feature-rich mod for limiting the size of your worlds

WorldEdit by sk89q, wizjany, TomyLobo

WorldEdit is an easy-to-use in-game world editor for Minecraft, supporting both single player and multiplayer.

WorldEdit CUI Forge by lahwran, yetanotherx, nejinx

WorldEdit CUI Forge is the ModLoader ported version of the client-side only mod that adds an in-game visual overlay for WorldEdit selections. There is no support for SinglePlayerCommands.

WorldEdit CUI Forge Edition by yetanotherx, Mumfrey, Hexosse

WorldEdit CUI is a client-side user interface for WorldEdit.

WorldEdit CUI Forge Edition 2 by Hexosse

WorldEdit CUI Forge Edition 2 is a forge client-side user interface for WorldEdit

WorldJoinText by Pixtar

Adds one or multiple custom join message(s) for each world/dimension and/or the server.

WorldProtector by Mosca421

Protect regions

WorldStateCheckpoints

WorldStateCheckpoints is a client mod that allows you to create world saves for your SP worlds.

clientside opensource backup