Signaturely - Super simple eSignature software
Avodocs - Free legal documents for startups in minutes
Woleet Sign - eSignatures secured by Bitcoin
GetAccept - GetAccept is a Sales tool for electronic signatures and sales document automation.
HTMLCSS to Image API - Convert HTML to an image (jpg, png, webp). Renders images exactly like Google Chrome. Works with PHP, JavaScript, Ruby, .NET and more.
LawGeex - Understand contracts before you sign them!