Tools using Castle Game Engine

Castle Model Viewer (formerly view3dscene)

Viewer for 3D and 2D models like glTF, X3D, VRML, Collada, 3DS, MD3, Wavefront OBJ, Spine and many others supported by Castle Game Engine. Explore the virtual world, with collision-checking, gravity, interactive animations, shadows, mirrors, shaders and more. Can also convert various models to X3D.

Castle Model Converter (formerly tovrmlx3d)

Command-line converter from all model formats supported by Castle Game Engine (like glTF) to X3D. Can also act as validator.

Online Model Converter

Convert 3D and 2D models. Can convert glTF, OBJ, STL, Collada, 3DS (and other model formats handled by Castle Game Engine) to X3D. This is an online version of our Castle Model Converter.

Castle Image Viewer

Image viewer, handles many common image formats (PNG, JPG...) and some special formats used in game development (DDS, KTX, RGBE)

Curves Tool

Design a 2D curve, save it as XML, and use it in your own programs, e.g. to move something (camera, another object) along a smooth designed trajectory.

glplotter

Plotting graphs of mathematical functions.

rayhunter

Command-line simple ray-tracer (classic deterministic ray-tracer and basic Monte Carlo path tracer).
Handles VRML/X3D and other 3D model formats.
See also it's gallery.