Providing temporary use of on-line non-downloadable software and applications for for task and project management, task and project tracking, resource management, human resources management, document management, customer relationship management, business management, time, costs and financial tracking, employee performance tracking and rating, for transmission and receipt of data, images, and messages used in sharing information, collaboration and interactive discussions, namely, sharing information, collaboration and interactive discussions for social networking purposes, for customizing computer application user interfaces, for sending and receiving electronic messages, and uploading and transferring files.