Image Export converts PowerPoint slides to high-quality images.
PPT2HTML exports HTML even from PowerPoint 2010 and 2013, gives you full control of PowerPoint HTML output, helps meet Section 508 accessibility requirements
Merge Excel data into PowerPoint presentations to create certificates, awards presentations, personalized presentations and more
Resize your presentations quickly and without distortion
Language Selector switches the text in your presentation from one language to another
FixLinks prevents broken links when you distribute PowerPoint presentations
Shape Styles brings styles to PowerPoint. Apply complex formatting with a single click.
Prep4PDF preserves interactivity in PowerPoint presentations when you convert to PDF
How to create HTML without frames
Strictly speaking, HTML from PowerPoint 2000 and 2002 always uses frames, but MSKB article Q237402 (and the companion article it links to re PowerPoint 2002) has a load of good tips for working around the problem, including a nifty way to start your presentation in fullscreen view.