level-editor topic
kale
Kirby's Adventure Level Editor (C++ / Qt)
kdceditor
Kirby's Dream Course / Kirby Bowl level editor (C++ / Qt)
io_thps_scene
THPS Scene import/export for Blender
tiled
Flexible level editor
LDtkToUnity
Unity importer for the LDtk level editor
ldtk
Modern, lightweight and efficient 2D level editor
netradiant-custom
The open-source, cross-platform level editor for id Tech based games.
Chisel.Prototype
Work in progress prototype for the Chisel Level Editor, for Unity
DustRacing2D
Dust Racing 2D is a traditional top-down car racing game including a level editor.
realtime-CSG-for-unity
Realtime-CSG, CSG level editor for Unity