blender 2.7 for meshes milkshape for cas meshes (not sure what versions, i mainly do bb) any image editor for textures (pref one that supports dds) canva for thumbnails
If you are having problems seeing the CAPTCHA, please clear your browser's cache and cookies and ensure that you do not have any browser addons or extensions that interfere with the display of the CAPTCHA. Then, close the CAPTCHA window and click on the register button to open the CAPTCHA again.