The School of Information offers many free or low cost series of courses online.
Applied Data Science with Python (5 courses)
An introduction to data science through the Python programming language.
Python for Everybody: Specialization (5 courses)
As the title indicates, this course aims to teach the basics of Python to anyone who wishes to learn.
Web Design for Everybody (5 courses)
Public Library Management (8 courses)
Develop essential management skills, from budgeting to marketing, to thrive as a public library manager or director.