#6378
LDtk (short for Level Designer toolkit, formerly called LEd) is a free and open-source 2D level editor for Windows, Mac and Linux platforms, developed by deepnight (Sébastien Bénard) from France, who are the former director of the well-known indie game Dead Cells, with 20+ years of experience for creating various games.

#6048
Gaea is a cutting-edge, next-generation 3D terrain and landscape design tool, developed by QuadSpinner in 2019. QuadSpinner, previously known for its plug-in GeoGlyph made for World Machine, now has its own, standalone terrain generation software. It combines powerful procedural control with a range of direct input methods, aiming to provide an artist-centered terrain generation scheme for game production.

#4859
GeoVox is a voxel-based, real-time terrain generation tool, developed and published by Axis Game Factory in 2015. As a terrain creation tool, its most prominent feature is that it's based on Volume Pixel (Voxel). With its help, game developers can instantly create lush AAA quality of environments from the start; create carve, sculpt, and generate scenes like never before; then play with and share them.

#4561
World Creator (formerly called GeoControl) is a professional and powerful procedural terrain and landscape generating software developed by BiteTheBytes from Germany. It is mainly used to create vivid and lifelike virtual 3D environment for games, movies and artworks. With the creative tools, efficiency improvement, real-time editor, random terrain generation and so on features, World Creator makes the creation of terrains and landscapes become easier, faster and more fun.

#4548
L3DT (short for Large 3D Terrain) is a realistic and high-quality large 3D worlds (both terrain maps & textures) generator on Windows platform. It's specially designed for game developers and digital artists, developed by Aaron Torpy (the proprietor of Bundysoft) from Australia.

#4512
In my opinion, all the unique and particularly beautiful sceneries can be created only by the nature, which is forever beyond any human's power. At the same time, any beauty intervened by human has got permanent limitations. Therefore, for a long time, I guess in the mind of many people, there is a beautiful world that only belongs to ourselves. If you want to make it perfectly presented on a computer, Terragen is one of the best solutions you need.

#3936
World Machine is a powerful and flexible 3D world terrain generator specially designed for game engines or 3D rendering software. It provides procedural terrain creation, simulations of nature, and interactive editing for you to produce realistic terrains with high-resolution heightfields, textures, and meshes.

#3905
Google SketchUp is an extremely popular and user-friendly 3D modeling tool, which is production process of design scheme oriented, and mainly used in the architectural design and relevant fields. Its creation process not only can directly express the designer's idea, also fully meet the needs of communicating with customers in time. Applying it to game design is a relatively new field with a certain amount of challenges.