KetchUp

KetchUp is a free and open-source 3D modeling application focused on edge and face editing. It runs natively on Windows, macOS, Linux, and also in browsers via WebAssembly. It features tools such as drawing primitives, push/pull, scale, move, paint, measurements, groups/components, import/export of SketchUp and OBJ files, autosave, and project files without requiring subscriptions. It supports automatic updates via GitHub releases.