The best free alternative to DraftSight is FreeCAD, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to DraftSight and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to DraftSight are LibreCAD, Onshape, BRL-CAD and QCAD.
As a simple, lightweight, and powerful tool for viewing and measuring CAD drawing, CAD Reader supports .dwg/.dxf files and is available to add annotations on the drawing and do some quick measurement.
2-D engineering drawing editor that supports hierarchical object description. It is inspired by Hewlett-Packard's proprietary HP PIGLET (Personal Interactive Graphic Layout EdiTor), which later became the commercial Graffy editor by DURST CAD.
Archisketch is a scale-aware sketching program ideal for Architects, interior and landscape designers, product designers, design students, or anyone working with design on an iPad.
iPocket Draw is a vector drawing program comprehensive (CAD 2D), which offers to you total control over your drawing. Of course all the simple drawing tools are available: line, rectangle, oval, arc, polygon, text.
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