Overview of Authoring Tools (2014)
The website of "elearningindustry" published a comprehensive list of 52 authoring tools. Each tool is being introduced and characterized based on its functions and potential usefulness.
If you keep scrolling down on this link, you will find more interesting subjects, such as pricing of authoring tools, cultural barriers, or guidelines to instructional designing for eLearning.
Click on Overview of Authoring Tools (2014) to open the resource.