YouTube is an American video-sharing website. The site allows users to upload, view, rate, share, and comment on videos, and it makes use of H.264/MPEG-4 AVC, WebM and Adobe Flash Video technology to display a wide variety of user-generated and corporate media videos. Available content includes video clips, TV show clips, music videos, audio recordings, movie trailers, and other content such as video blogging, short original videos, and educational videos. Unregistered users can watch videos, and registered users are permitted to upload an unlimited number of videos and add comments to videos.
Google Docs can help you to create and share your work online and access your documents from anywhere. You can create, edit, store and share documents, spreadsheets and presentations in your browser.
Jotform can help you to build the online form you need. It is an online application that let you create custom online forms. Using it, you can create and publish forms, integrate them into site and receive responses by e-mail.
Free map tool is an online resource that helps you to measure, search and overlay elements on maps for a wide range of applications.
iLovePDF is an online service to work with PDF files completely free and easy to use. It can help you to merge, split and compress PDFs, office to PDF, PDF to JPG.