Almost daily, readers write us and ask for courses that can deepen their professional education. Some want to learn new tech skills. Others want to bone up on statistics and calculus. And still others want to learn about project management. We decided to address this by creating a new collection of Free Online Business Courses. So far, we've compiled a list of 145 business-oriented courses and related resources. Some courses come from leading universities. Others come from government, non-profits and the occasional MOOC provider. The list is fairly rich. But we will keep adding to it over time. If you know of a great course (or a great business resource that's free) please tell us in the comments below, or send us an email via this page. We would love to benefit from your collective wisdom. And you will be helping many people in the process, during a tough economic time. Visit: 145 Free Online Business Courses.