Blender
Blender Foundation
3D suite covering modelling, sculpting, animation, simulation and rendering in one application.
No known warnings · checked 23 Oct 2026
UltiMaker
FREELGPL-3.0-or-later
Slicer with tested print profiles, hundreds of custom settings and a marketplace for plugins and materials, for many FDM printers.
Links go to the official site. SoftHarbor hosts no downloads.
Blender Foundation
3D suite covering modelling, sculpting, animation, simulation and rendering in one application.
No known warnings · checked 23 Oct 2026
The FreeCAD Team
Parametric 3D CAD modeller where models are driven by a history of editable constraints.
No known warnings · checked 23 Oct 2026
KiCad Development Team
Electronics design suite for schematic capture and PCB layout, with SPICE simulation, a 3D board viewer and Gerber output.
No known warnings · checked 23 Oct 2026
LibreCAD Team
2D CAD drafting program forked from QCAD Community Edition that works natively with DXF files and can import DWG drawings.
No known warnings · checked 23 Oct 2026