PDSYMS DWG Symbols Library
PDSYMS v2. 0 is an Architectural/Interiors DWG-FORMAT Symbols Library Add-on for all CADD packages running on all platforms and Operating Systems, including but notlimited to: IntelliCAD (2000 and higher), Microstation, eCADlite, CADvance, TurboCAD, GenericCADD, DataCAD, AutoSketch,...
http://www.pendean.com/pdsyms/pdsyms.zip - 0b - Download - Screenshot

PDSYMS DXF Symbols Library
PDSYMS v2. 0 is an Architectural/Interiors DXF-FORMAT Symbols Library Add-on for all CADD packages running on all platforms and Operating Systems, including but notlimited to: IntelliCAD (2000 and higher), Microstation, eCADlite, CADvance, TurboCAD, GenericCADD, DataCAD, AutoSketch,...
http://www.pendean.com/pdsyms/pdsyms.zip - 0b - Download - Screenshot

HatchKit
HatchKit 2. 5 CAD Visual CAD Hatch Pattern Editor HatchKit provides a complete visual solution to your custom hatch pattern creation and modification requirements. HatchKit is also handy for inspecting hatch patterns. HatchKit 2. 5 supports the latest versions of Revit, AutoCAD, AutoCAD LT,... Stretch, mirror, skew, rotate and move individual layers. ... View the entire pattern or just the current layer showing or hiding pattern structure. ... Rescale entire patterns. ... Editing tools - snap to grid, delete, cut, copy, paste, undo and redo, zoom and pan.
http://www.cadro.com.au/hatchkit/hatchkit25-demo.zip - 1Mb - Download - Screenshot