Computers as Educational Tools: Computers as cognitive tools, information sources and mind tools; Characteristics of ICTE (Information and Communication Technologies in Education) that promote learning; Learning based on educational software environments. Educational software: Educational software categories; Educational software Design and Evaluation; Exploitation of Educational software in Teaching; Examples of educational software. Introducing ICTE in Education: The ODYSSEIA program; The projects of ODYSSEIA; Educational software of ODYSSEIA. Open Learning Environments: Micro Worlds Pro; Modellus; The Geometer's Sketchpad. Concept mapping tools. Educational Games: Categories of Electronic Educational Games; Examples. Intelligent Tutoring Systems – Adaptive Systems: Intelligent tutoring systems; Diagnosis- Student model; Open learner model; Dialogue systems; Adaptive Hypermedia Educational Systems; Authoring Tools; Examples: INSPIRE- RETUDISPROSYS- SCALE. Computer supported collaborative learning. Learning Management Systems: Learning objects. Agents.