I came across two knitting resources that can help lace-makers and cable lovers, particularly. If a chart is twisting you and your fiber in the wind, Knitting Chart Generator may be useful. You can put colors in as well to help track your work or convert to needlepoint.
If you find text instructions for a pattern the stuff that nightmares are made of, you might want to explore Astroknits. This site produces charts with symbols after you put the text in for conversion.