Molten Sailor by Dokimi
Boat for sailing on lava, suit for diving in lava.
Adds a jetpack and fuel.
Teleportation tool inspired by Unreal Tournament 2004
NodeCore-esque movement for other games
Adds parachutes. These are reusable but require you to craft to pack the parachute into your bag.
Simple Airship (sum)
Adds a simple airship for getting around the floatlands. Also optionally uses air currents.
Safety net against falling off your island
Adds a command to return back to position where you died
A procedurally generated space exploration game
Adds terrifying Dragons and powerful equipment.
Draw power from the world, and use it to power machines and tools.
Adds a deep underground realm with different mapgen that you can reach with obsidian portals.
Cost per use potions teleport system designed for survival servers.