Coursera

Coursera is one of the world's largest online learning platforms, founded in 2012 by Stanford professors Andrew Ng and Daphne Koller. Through the platform, you can take courses, specializations, and even complete degree programs created by universities and companies. More than 200 million people are registered, and since May 2026 Udemy has also been part of the group.

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For companies, Coursera for Business is particularly interesting: it allows you to send your team to targeted training sessions, ranging from data analysis and project management to AI. Many courses can be viewed for free, but certificates cost extra. The reputation of the issuing university or company gives these certificates real weight.

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Compared to edX, its university-focused competitor, the selection is broader and more geared toward professional qualifications. Its sister platform Udemy still runs separately: courses there are more niche and often cheaper, while Coursera's are more curated. Quality varies depending on the provider of the individual course.

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A great choice for companies and individuals looking for recognized training with a certificate. If you just need to quickly look up a specific skill, you'll often find a more direct path on Udemy or YouTube.