The CE editor has one goal: to be very easy to use. It was originally developed by Charles Henrich in the early 1990s and was used by thousands of students at Michigan State University. Anybody can be comfortable using this program within minutes.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.