Oxford University is the oldest English-language institution of higher learning in the world, and states that "there is no clear date of foundation, but teaching existed at Oxford in some form in 1096 and developed rapidly from 1167, when Henry II banned English students from attending the University of Paris." The school offers various online courses like the History of Medicine and a diploma program in Data and Systems Analysis. The online programs are good for the intellectually curious and career-minded alike.
onlinecourses.conted.ox.ac.uk/
The University of London describes itself as "the world's oldest provider of degrees through distance and flexible learning" and the school enrolls students from all over the globe in its distance and online degree programs. The external program of the university was established in 1858, and enrolls more than 45,000 students, who study for undergrad and graduate degrees, as well as diplomas and certificates in fields like accounting and epidemiology.
londonexternal.ac.uk/index.html
With more than 800 years of academic excellence, the University of Cambridge describes itself as a "self-governed community of scholars," and consists of 31 colleges and more than 150 faculties, schools, departments and other branches and institutions. The world-renowned school also offers online programs for busy adults and, although it does not offer a full degree online its credits can be put toward a degree program.
cont-ed.cam.ac.uk/courses/online-study