iSpring Suite - A comprehensive yet easy-to-use authoring tool for creating professional online courses like a pro – even if you’re a complete beginner.
iSpring Free - iSpring Free is a free eLearning authoring tool that allows you to create responsive courses and quizzes right in PowerPoint and convert them to HTML5 or SCORM.
H5P - H5P is a free and open-source content collaboration framework based on JavaScript.
Slidego - At SlideGo we regard presentation software like Powerpoint as a universal authoring tool.
Adobe Captivate - Adobe Captivate is a rapid responsive authoring tool that is used for creating elearning content...
Leawo PowerPoint to Video - With Leawo PowerPoint to Video converter, you can convert PowerPoint file to video in all pop formats, like convert PowerPoint to AVI, WMV, MPEG, etc, and put PowerPoint on portable devices like iPod, iPhone, Pocket PC, PSP, etc.