FreeEdNet is a collection of various courses, tutorials, and learning materials available on the web, including some the people at FreeEdNet are developing themselves. The courses are free and, normally, there is no sign-up. Simply find a course and start working on it.
NOTE: FreeEdNet is not intended to replace your formal education at a reputable, degree-granting school. Use FreeEdNet to review material you previously learned in school, prepare for a job or school placement exams, extend your vocational skills, or even learn more theoretical information about your work, hobby, or special interest.