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.
Converter365 Convert PPT to MP4 - Converter365 is an online freeware converter tool that enables you to convert PPT to MP4 with great ease.
Slidego - At SlideGo we regard presentation software like Powerpoint as a universal authoring tool.
Online Convert PPTX to MP4 - Online Convert allows you to convert any Microsoft PowerPoint 2007 PPTX file to MP4 easily.
FlashPoint - Create professional-look flash presentations and e-learning courses with PowerPoint knowledge.
iSpring Convert - Convert PowerPoint to HTML5 and MP4 video