oPenGP vs Skim
A side-by-side look at oPenGP and Skim. For an in-depth review of either product, follow the links below.
oPenGP
Development
oPenGP is an open-source CAD/CAM software for hobbyists, students, engineers and manufacturing professionals. It allows designing 3D models and machining them into physical objects with computer numerically controlled (CNC) tools like 3D printers and milling machines.
opensourcecadcamcnc3d-modelingmachining
Skim
Office & Productivity
Skim is a PDF reader and note-taking application for macOS. It provides annotations, highlighting, and notation tools for PDF documents, allowing users to mark up PDFs. Skim also enables searching PDF documents and works well with large PDF files.
pdfreadernotesannotationshighlighting