Siame Editions Vector Eye
vectoreye is a high quality vectorizer. bitmap images as bmp, tiff, jpg or png images or hand drawing are vectorized or converter to svg, ps eps xaml or flash files to be edited with illustrator, inkscape, coreldraw or macromedia flash products or vector authoring tools.
http://www.siame.com/

SVF specification
The Simple Vector Format, or SVF, is a vector graphics format which supports hyperlinks and layer information. It was jointly developed by SoftSource and NCSA to provide a useful 2-D vector format for use on the World Wide Web. The specification is freely available for anyone to use.
http://www.softsource.com/svf/spec.html

ptr_vector - A Container For Pointers
Convenient STL-compliant vector for pointers.; Author: Roland Pibinger; Section: STL; Chapter: Platforms, Frameworks & Libraries
http://www.codeproject.com/vcpp/stl/ptr_vecto.asp

GYVE
GNU Yellow Vector Editor is a Linux vector-based drawing program.
http://www.gyve.org/

d-art-anian
Vector clipart. Created by dARTanian. E-mail:dartanian@planetarium.sk
http://dartanian.webpark.sk/

Vector
Advanced object-oriented vector graphics application compatible with !Draw, but with many new and powerful features.
http://www.keelhaul.demon.co.uk/4mation/vector.htm

Elgorithms MagicTracer
Need a way to convert pixels images to line drawings? MagicTracer can convert any raster image into vector traced artwork. Simple raster to vector conversion. Simply tracing with Magic.
http://www.magictracer.com

Vector-Images.com
Huge selection of professional vinyl-ready and non-vinyl vector images. Royalty-free vector clipart packages and instant download access by subscription. Over 30000 vector EPS, CorelDraw and WMF cliparts and vector stock graphic designs. | Vector Images. Royalty-Free Vector Clipart and Vector EPS Vinyl Clip Art Packages.
http://vector-images.com/

Torro-Softworks
CAD Software für engineering professionals: Viewer und Manager für HPGL,DWG,DXF,DGN,CGM und Calcomp Plotdateien
http://www.torro-softworks.de/

Torro Softworks
Specializes in vector graphics, produces viewers and converters for the following vector file formats: HPGL CGM Calcomp 907 for HP-UX, Solaris 2.6, AIX, and Linux.
http://www.torro-softworks.com/