From Stitch Works Software:
Crochet Charts is created to give symbol crochet designers the freedom and flexibility to create whatever they can imagine. With the ability to output to multiple high quality file types it has never been easier to express your ideas or publish your creations. It features optional automatic generation of basic rows, or rounds, unlimited chart size, and unlimited stitch count, export charts to industry standard formats: PDF, SVG, JPEG, PNG, TIFF, BMP, customizable stitch and color legends, export legends to PDF, SVG, JPEG, PNG, TIFF, BMP, and ability to export the chart as plain text.
What's new in this version:
Crochet Charts is now open source and free to use.