Convert PowerPoint 2003 to PowerPoint 2007
This Converter is a PowerPoint PPT to PPTX PPTX to PPT Batch Converter that can convert PPT to PPTX and PPTX to PPT easily.
Link: http://www.freedownloadmanager.org/downloads/convert_powerpoint_2003_to_powerpoint_2007_software/
Link: http://www.fileguru.com/apps/microsoft_powerpoint_2007_to_2003_converter
Link: http://www.topshareware.com/powerpoint-2003-2007-converter/downloads/1.htm
Link: http://www.brothersoft.com/downloads/powerpoint-2003.html

Convert PowerPoint or PPTX to DOC, RTF, TXT, HTM, JPG, GIF, BMP, TIF, PNG, EMF, and WMF.
Link : http://www.softinterface.com/Convert-PowerPoint/Convert-PowerPoint.htm

Convert PowerPoint to Video
It can convert PowerPoint to AVI, MPG, WMV, BMP images and MP3 audio.
Easy-To-Use, High-Quality Program, Quickly converts PowerPoint to avi, wmv, mpg, bmp, mp3. Support input ppt, pps, pptx, ppsx files.
Link: http://www.effectmatrix.com/
Link: http://www.ppt-to-dvd.com/download/powerpoint-to-video-download.html#104PPT2Video%20Pro

Convert PowerPoint to Flash
PowerPoint to Flash converts PowerPoint (.ppt, .pps, .pptx and .ppsx) to Flash (.swf). Once converted, your Flash presentation has the same impact as your PowerPoint presentation retaining its effects, sound, animation, and rehearsed timings etc; plus you have all the benefits of a Flash file like reduced size, secure content, and easy distribution on the Web.
Link: http://www.authorgen.com/authorpoint-lite-free/powerpoint-to-flash-converter.aspx
Link: http://www.leawo.com/powerpoint-flv-converter/
Link: http://www.dvd-ppt-slideshow.com/powerpoint-flv-converter/
Link: http://www.powerflashpoint.com/

Convert PowerPoint to Pdf Converter 5.5
http://download.cnet.com/PowerPoint-PPT-to-Pdf-Converter/3000-10743_4-10855016.html

Convert Pdf to Editable Text
Optical Character Recognition may not ring a bell too many; the acronym OCR has more chances of doing that, but still manages to raise a few eyebrows. However, there are plenty of users that require character recognition software in order to create editable digital copies of physical documents. The scenario is simple: scan a document and then shove the digital result into an OCR program to detect the characters and make the piece editable.
Link: http://www.softpedia.com/reviews/windows/PDF-OCR-Review-139322.shtml