You could have downloaded SDI Editor 3.01.20 from our software library for free. The actual developer of the program is System Development Inc. Our built-in antivirus scanned this download and rated it as 100% safe. The default filename for the program's installer is editor.exe. The software is included in Photo & Graphics Tools. The most popular version of the program 3.0.
From the developer:
Input Files: cgm, dwg, hpgl, plt, pdf, ps, emf, tiff, jpeg, png, bmp, xwd Edit CGM, DWG, HPGL, PDF, EMF vector based graphics files,
Add custom user graphics - lines, borders, arrows, text, polygons, polylines,
(filled, hatched), symbols, Beziers, Splines, circles, elipses, arcs...etc.
Add or edit CGM Hotspots and compose or Montage complex graphics using
multiple input files. Manages Multi-page CGM & PDF files.
You may want to check out more software, such as SDI LPD, Win PDF Editor or 1st MP3 Tag Editor, which might be similar to SDI Editor.