Accenture has published seven free digital skills courses on FutureLearn site. FutureLearn is UK-based MOOC provider. The courses cover topics such as social media, digital marketing, user experience, web analytics, etc. The duration ranges from two to three weeks and the expected time commitment ranges from one to two hours per week. These are introductory-level courses so can help you get familiar with topics such as digital marketing or web analytics.
The link to this learning resource is http://bit.ly/vnl0013.