If you are developing an online course it will involve more than one technology and you will most likely be working in a Learning Management System, or LMS for short. There are many different types of LMSs and some of the most common ones are:
It is difficult to have an exhaustive list of LMSs and some colleges and universities also build custom LMSs to meet the needs of their own organization. Most LMS sites have user guides for the beginner to the advanced/system admin user. Here is a list of some help sites for LMS users:
Here are guides to some of the common activities that you will be doing in an LMS:
In addition to using an LMS, you will likely encounter other software to develop your online course. I have detailed this technology in other areas of this website. For example, there is a section on polling and the software available for surveying your students. Here is a brief list of software that you might encounter when building your online course: