This post is updated with new sites as I find them. All downloads are download at your own risk. Please read the site disclaimer for more information.
.SVG is the file type most easily used in the Cricut Design Space. To be on this list a site must be not overwhelmingly filled with ads, and provide free downloads for personal use.
Free .SVG File Sites
Free .SVG Files for crafters. Commercial license extra. Some paid files. No account required.
Free .SVG Files for crafters. No commercial license. Some paid files. No account required.
Paid site with a Freebie section for fonts and .SVGs. Account required.
Free .SVG files for crafters. Account required.
Free mixed files for crafters. Account required. Free files change weekly.