1FreeCAD / FreeCADOfficial source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.freecadengineeringopencascadearchitecturecadbim+10 moreC++LGPL-2.135K total6.3K forks+257 starsfrom 34,775 · score 5.55
2DLR-SC / tiglThe TiGL Geometry Library to process aircraft geometries in pre-design.opencascadeaircraftc-plus-plusgeometryb-splinecpacs+1 moreC++APACHE-2.0310 total80 forks+1 starsfrom 308 · score 0.69