This is a list of level editors for video games. Level editors allow for the customization and modification of levels within games.
Artifex Terra 3D, freeware 3D terrain, outdoor scene and world editor based on the Ogre3D engine, output in generic formats. Open source scene loader.
Camoto Studio, an open-source Windows/Linux level, graphics and music editor for a number of early-1990s DOS games
Gamestudio a commercial level editor for the gamestudio engine
Goji Editor Game / app editor and IDE, level / UI layout, code editing and debugging
Grome by Quad Software
GtkRadiant by id Software, Loki Software, Infinity Ward, and Treyarch
Future Pinball - A pinball editor.
QuArK, Quake Army Knife editor, for a variety of engines (such as Quake III Arena, Half-Life, Source engine games, Torque, etc.)
Quiver (level editor), a level editor for the original Quake engine developed solely for the Classic Macintosh Operating System by Scott Kevill, who is also the developer and administrator of GameRanger
SabreCSG a commercial CSG level editor for the Unity game engine
Tile Studio general purpose sprite/level editor for game programmers
ToeTag, a level editor for the original Quake engine, natively developed on and for the Apple OS X operating system
Visual Pinball
Stencyl includes a Scene Designer module which is used to place tiles, actors, and assign behaviors and settings.
SALTR, web-based, real-time level editor for 2D games that supports tiled, matching, bubble-shooter and 2D canvas based games (runners, arcade and etc.).
Tiled Editor, an open-source tiled map editor.
List of level editors Wikipedia (Text) CC BY-SA