Software for mobile devices to secure remote access via the Internet to private computer networks; software for facilitating the interoperability of multiple software applications; software for enabling users to identify availability of other users and integrate electronic address books and calendars; software for facilitating multimedia teleconferencing and videoconference services, instant messaging, electronic mail, and voice over Internet protocol (VOIP) communication services; software for transmitting information, video, voice, audio, and content over a global computer information network; software for enabling users to communicate, collaborate, and share data, electronic documents, video and applications via the Internet; software for viewing, managing, editing and storing documents via computer networks; software for scheduling and managing calendars, contacts, online meetings, telephone conferencing, and video conferencing