Solidworks is a professional quality solid CAD software suite that is available for Windows. Solidworks is most famous for usage in engineering for design of physical objects, mechanics, and product design. It includes an elaborate simulation suite for stress testing, load testing, physics simulation, and structural integrity testing. Over 2 million engineers use Solidworks worldwide. It is also heavily used in 3D printing and fabrication.
Foxit Reader is a multilingual freemium PDF tool that can create, view, edit, digitally sign, and print PDF files. Early versions of Foxit Reader were notable for startup performance and small file size. Foxit has been compared as an alternative to Adobe Reader. The Windows version allows annotating and saving unfinished PDF forms, FDF import/export, converting to text, highlighting and drawing.
The Adobe Acrobat Reader is a free PDF reader that allows for reading, copying, printing, and basic annotation of PDF files. It also allows the user to open encrypted for write-protected PDF files. One popular use is to fill out pre-made forms that are generated using Acrobat Pro. Acrobat Pro or a comparable PDF authoring program is necessary to create or change structure within a PDF.
Adobe Acrobat Reader is available on MacOS and Windows.