TCExam is a Web-based Assessment Software system (e-exam or CBT - Computer Based Testing) that enables educators and trainers to author, schedule, deliver, and report on surveys, quizzes, tests and exams. The software is used all over the world by universities, schools, companies and independent teachers. TCExam is well suited for both Internet and intranet environments, it replaces the old pencil-and-paper testing systems and simplifies the entire exam cycle, including generation, execution, evaluation, presentation and archiving. This simplification allows to save time and money while improving exams reliability. TCExam has been designed in conformance with all leading Open Standard Technologies to reach the highest grade of internationalization, scalability, flexibility, accessibility (W3C-WAI) and usability. TCExam is open source and completely free to use.