LiteBox3D is a free desktop viewer that supports JT viewer, PLMXML, STEP AP242 XML, and TIFF files. It also supports add-on applications for IP protection, model comparison, and quality validation to provide an easy-to-use experience.

LiteBox3D is known for its flexibility and scalability. The software comes free of charge, and it can be extended with add-on applications for IP protection, model comparison and quality validation. With its direct access to the JT model based on the ISO description, LiteBox3D is capable of viewing large CAD models in the JT format, thanks to the 64-Bit support.
In addition, the function of multithreading ensures the quick loading of files. The free version of LiteBox3D Desktop viewer can be used unlimited for commercial usage, making it a valuable asset to many businesses. Moreover, the software's Pro version takes the capabilities of the free viewer to greater heights by providing redlining, PMIs, 3DHTML export, and other added features.
In summary, LiteBox3D is an excellent software that delivers exceptional functionality and flexibility at no cost. Its range of features makes it a must-have for many businesses, which makes this software a valuable investment in the long run.
Version 2019.2:
JT file version 10.3 can be loaded
Support of LAYERFILTER for PLMXML files
Enhanced STPX support - Resolve components linked by DocumentVersion tags
PMIs in model views of PLMXML files are now displayed
New visualization mode 'Edges'
Measurement on JTs without Face Groups is now possible