Despite being costly and non-accredited, Udacity, used by 6.5 million learners in 195 countries, offers scholarships, practical knowledge, mentor support, and career services. Udacity also offers free courses, but these do not confer any certification.
This article gives you a thorough edX review and explains why it is one of the most outstanding when it comes to e-learning.
Despite its lack of accreditation and certification, Skillshare aids real-world applicability of skills. However, the knowledge depth is limited to instructors’ expertise, and subscription access ends with payment discontinuation.
Duolingo, a language-learning app, offers 37 courses for speakers of various languages. Its English test scores are accepted by several institutions worldwide, making it a valuable learning platform.