Adobe EchoSign
https://www.echosign.adobe.com/

Transform the way you work with your customers. EchoSign’s complete, automated web contracting solution allows you to instantly send, eSign, track and file documents securely, so you can change the game and work more competitively with your customers and partners. Easy-to-use eSignature features include: a) Start now, nothing to install or download; b) Send or e-Sign with your mobile device; c) End the paper chase with real-time tracking; d) Never lose a contract with automatic filing; and e) EchoSign is secure and legally enforceable. This has been added to the tools section of Research Resources Subject Tracer™. This will be added to Entrepreneurial Resources Subject Tracer™. This will be added to eCommerce Resources Subject Tracer™.