Design, development, and implementation of software for receiving a signature or other authorization input from a user via a remote computing device; Design, development, and implementation of software for receiving a signature or other user input for authorizing a transaction via a remote computing device; Design, development, and implementation of software for receiving and processing payments from end users, presenting documents to end users, obtaining electronic signatures from end users, and providing a scoring service for accounts receivable; Providing temporary use of a non-downloadable web application for presenting documents to users and obtaining payment and electronic signatures from the users; Software as a service (SAAS) services featuring software for collecting payments