IBM has several different learning paths in Cognitive Class geared toward learning data science. One neat perk is the ability to earn a badge after completing a path, which can be displayed on your LinkedIn profile.

Class Central lists all of the top 50 free online courses of all time with links to each.

Canvas Network allows you to enroll in a variety of open online courses. The courses allow for continual access to course content after the course end date.

Alison has unlimited free courses. You can purchase optional certificates once you have completed a course for a fee.

The CFPB offers tools, financial education training, ideas, and materials for libraries. "We want to make libraries the go-to source for financial education. We're working with libraries to provide websites, worksheets, guides, and other information to help with a consumer's money decisions."