Conduct Exam - Conduct Exam is a robust online exam software which offers impeccable assessment solutions
Empathy - Apps/Empathy - GNOME Wiki!
ClassMarker - The ClassMarker online testing website, is a professional, easy to use, online quiz maker that marks your tests and quizzes for you. Create online quizzes free quiz maker. Web-based online testingWeb-based online testing service | Free quiz maker.
Pidgin - Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
Wooclap - A web-based platform that helps teachers boost participation and measure the level of understanding of students' in class thanks to smartphones.
Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.