Blender is a program containing more than just 3D related activities, it contains a video editor with lot's of effects, you can create video games too. But most importantly you can create 3D models, you can create UV textures, rig, animate, tons more!

If you have a model you want to import into Cyberix3D you can open it in blender and convert it to a .obj, or convert .fbx or other animated model formats to .md5 with Kabit's .md5 export tool. Blender is one of the best 3D tools out there for Cyberix3D.