I have done some research on widget sites and have come up with a list of those that I think provide the most variety and choice. They are in alphabetical order rather than bypreference.
- Google Gadgets for your Website
- serverboy.net software
- Sexy Widget
- Widgets Lab
- Widgetbox Blogosphere
- Your Minis
You can also use this search from the sidebar of this blog.
Sites that provide information and keep you up to date with new Widgets: