1. Did they read it? – Are your emails being read or simply ignored? Use this free invisible email tracker to find out.
  2. Recipe Fiddle – Create personalized recipe books in minutes.
  3. Google Alerts – Set a keyphrase and get email notifications if the phrase is mentioned somewhere online.
  4. Blitzr – Stream for free with no ads more than 40 million songs. Still in beta.
  5. ScreenGrab – Save parts of a page as an image.
  6. PDF Escape – Annotate PDFs.
  7. Issuu – Host your documents and share with others.
  8. Sleepyti.me – Sleep time calculator.
  9. Font Struct – Create your very own font!
  10. Rsizr – Resize and edit photos in your browser.
  11. SlideShare – It turns your PowerPoint presentation or a PDF document into a better looking slideshow.
  12. Prezi – Another great presentation maker website. 80% of the Fortune 500 companies using Prezi.
  13. Tweetstats – Statistics of your Twitter account.
  14. Zero Dollar Movies – Watch hundreds of full movies and documentaries for free. All of the videos are embedded from YouTube.
  15. Jotti’s Malware Scan – Scan files for malwares in your browser.
  16. Iodine Medical Translator – Translates medical jargon on any web page.
  17. scribblemaps.com – create custom Google Maps easily.
  18. Router Passwords – Find the default password for any router model.
  19. E.ggtimer.com – A simple online timer for your daily needs.