IQcad
A 2D CAD application for civil engineering , built with Free Pascal
...Features:
25+ entity types (Line, Polyline, Arc, Circle, Spline, Hatch, Text, Dimensions, Table, and more)
AutoCAD-style command line with object snaps and grip editing
Modify tools: Move, Copy, Rotate, Scale, Mirror, Offset, Trim, Extend, Chamfer, Fillet
Layers, linetypes, blocks, and configurable styles
Civil Engineering:
TIN surfaces with contours and spot elevations
Survey points with CSV import and point groups
Tunnel section lines with deviation analysis
Horizontal alignments with curves and spirals
LandXML import/export
File Formats: DXF (R12/R2000/R2018), LandXML, PDF, PNG, SVG,DWG ( using ODA converter or Librecad dwg reader)
Modern ribbon UI with dark theme, multi-document tabs, and map background layers.