CMS: Content Management System (Content Management System in English, abbreviated CMS) is a program to create a support structure (framework) for the creation and content management by participants mainly on web pages . The environment of hardware and software designed to automate and manage the development of training activities is known as Platform Teleformaci n or LMS (Learning Management System). An LMS registers users, course catalogs, organizes, stores user data and provides reports to management. Often also include communication tools to serve the course participants. The improvements in usability (navigation easy and intuitive) and accessibility (accessibility for disabled people) can bridge the digital divide and extend training opportunities to more people, overcoming one of the biggest barriers to e-learning: the technological barrier.There are currently vast majority of platforms, both commercial and open source. At the college level is the most widely used platform WebCT, followed at some distance from the platform Edustan ce. It is beginning to implement the force-free license platform Moodle. It is also used in several universities open source platform. LRN (read in English: dot learn), Blackboard and eCollege. At European level, particular importance is the open source platform Ilias, widely used in Europe at both educational institutions and corporate training environments. Training is an alternative that does not necessarily replace the teachers and student teaching, but a space that develops learner autonomy.