Online Convert PPTX to MP4 - Online Convert allows you to convert any Microsoft PowerPoint 2007 PPTX file to MP4 easily.
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.
iSpring Convert - Convert PowerPoint to HTML5 and MP4 video
E.M. PowerPoint Video Converter - E.M. PowerPoint Video Converter is an all-in-one PowerPoint to video converter.
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.