Windows Signature Tools
An email signature is more than just your name. It can include anything from a witty quotation to animated images. Signature tools for Windows can help you create, edit and randomize your sig.
BlogSigs - Signature Tool
BlogSigs links to your latest blog post from your email signature.
OE-QuoteFix - Signature Tool
OE-QuoteFix attempts to fix Outlook Express' broken handling of plain text replies and adds some other goodies (random signatures, for example).
QuipSig - Signature Tool
QuipSig is a flexible and powerful signature tool that can change your sig on a schedule or when run.
Quotes - Free Signature Tool
Quotes lets you set up pretty email signatures (using rich formatting, too), and throws in a quotation for good measure, a quotation that can change periodically and automatically.
SigChanger - Signature Tool
SigChanger is a nice little signature tool that changes your signatures at a certain interval automatically, and without much fanfare.