Coursera
Coursera is one of the world’s leading open online course providers, partnering with universities and educational organisations worldwide to offer easily searchable courses on a wide range of subjects.

edX
edX is another great option for free online education, specialising in courses for maths, science and engineering. The site offers more than 2,500 courses from 140 top colleges, including Harvard and MIT.

Udemy

Udemy is similar to Coursera in that it offers a range of courses, primarily in business and technical subjects, taught by experts, but it also allows users to build custom courses from lessons. Courses start from €11.99.‌

Codecademy

If you’ve been looking to learn to code or just fancy making that portfolio website you haven’t gotten around to, the best place to learn is Codecademy, which offers tutoring in HTML, CSS, JavaScript, Ruby and other popular programming languages.

Libraries Ireland

Your local library might be closed by Libraries Ireland offers access to over 500 online courses not only in accounting, business and IT, but also social work, self-help, anger management and many other topics.

Duolingo

Duolingo is the most popular app for learning foreign languages, but its owl mascot has been known to become a bit disapproving to those slacking on their German homework.