Question: I'm looking for a way to securely send and sign contracts electronically, and also track proof of delivery and receipt.

If you're looking for a secure way to send and sign contracts electronically, and track proof of delivery and receipt, Docusign is an excellent choice. It offers a comprehensive platform with features like eSignature, Contract Lifecycle Management, and Electronic Notarization. Docusign also integrates with a wide range of applications, making it easy to connect and extend the power of eSignature. The platform is designed to streamline the agreement process, increase productivity, and identify risks, making it suitable for businesses of any size.

Another robust option is Proof, which provides a trusted and legally binding platform for digital transactions. Proof includes identity verification, online notarization, and fraud prevention tools, ensuring secure execution of agreements. It's particularly well-suited for industries where trust and security are paramount, such as real estate and financial services.

For those who prefer a more streamlined signing solution, Acrobat Sign speeds up workflows and simplifies document signing. With features like real-time visibility, bulk sending, and powerful PDF tools, it’s designed for individuals and businesses of all sizes. It integrates seamlessly with other Adobe tools, offering advanced security and compliance features.

Lastly, airSlate offers an all-in-one business automation platform that includes powerful e-signature tools through SignNow. airSlate's suite also features DocHub for advanced PDF editing and signing, and WorkFlow for automating repetitive document processes. It's designed to automate and simplify routine tasks, ensuring security and compliance with various regulations.