in Delphi Top Picks :: If you're looking for the best Delphi GIS, charting and mapping tools, look no further. The following list presents the most popular picks for all your charting and plotting needs. In most cases the tools come as VCL libraries and offer more than you can think of.
Read the full article to find the Best GIS / Charting / Mapping Delphi Tools and Components.
Related:
I found xygraph several months ago.
http://www.solcon.nl/wcemmens/xygraph.htm