| No | Website URL |
| 1 | http://pdfsr.com/ |
| 2 | http://www.4shared.com/ |
| 3 | http://en.calameo.com/ |
| 4 | https://issuu.com/ |
| 5 | http://www.authorstream.com/ |
| 6 | http://www.edocr.com/ |
| 7 | http://sharesend.com/ |
| 8 | https://www.mediafire.com |
| 10 | http://www.slideboom.com/ |
| 11 | https://www.dropbox.com/home |
| 12 | http://www.zippyshare.com/ |
| 13 | https://www.wattpad.com/home |