Google Digital Garage

Google Digital Garage offers 26 free online courses on digital marketing, data analytics, and business strategy taught by Google experts. Lessons include video, interactive exercises, and quizzes, culminating in a shareable certificate of completion once you finish a course.

It's useful for professionals adding digital marketing and analytics skills without tuition costs. While focused on Google's tools and ecosystem, the courses cover widely applicable digital skills, and certificates are recognized by many employers as entry-level digital marketing credentials.