CAD
OrcaSlicer
Open-source desktop slicer for FDM 3D printing, calibration, profiles, G-code generation, and network printer workflows.
House Planner
Self-hosted house planning app with true-scale 2D floor plans, 3D preview, map overlay, utility networks, estimates, and …
SketchForge
Self-hostable local-first browser CAD editor for primitives, booleans, STL import, and STL/OBJ/STEP/SVG export.
beso
Python topology-optimization toolkit for CalculiX FEM, with FreeCAD macro support, element-state switching, filters, and …