JNetCAD VS OpenSTL

Simple Java GUI for importing and exporting several CAD formats

A GUI-based STL (stereolithography) file viewer and editor

Cross-Platform Compatibility
JNetCAD is Java-based, allowing it to run on multiple operating systems including Windows, macOS, and Linux, providing flexibility for users across different platforms.
Lightweight
The software is lightweight, requiring minimal resources, which makes it suitable for older machines or those with limited hardware capabilities.
Simplified Interface
JNetCAD offers a streamlined and simple user interface which can be beneficial for beginners or users who prefer a less cluttered experience.
Free to Use
As a free tool, JNetCAD offers basic CAD functionalities at no cost, making it accessible to users who need basic CAD capabilities without financial investment.

Limited Features
Compared to more advanced CAD software, JNetCAD may lack some of the more sophisticated tools and features required for complex designs or professional use.
Outdated Interface
The user interface may appear dated compared to more modern CAD tools, potentially leading to a less intuitive user experience.
Lack of Support and Updates
As a free, potentially smaller-scale project, JNetCAD may not receive regular updates or customer support, which can be a drawback for users needing long-term reliability.
Limited Community and Resources
There may be a smaller user community and fewer online resources such as tutorials and forums available for troubleshooting and learning.