Photo credit: Dmitry Kutlayev

1. FlashPhone: Make free calls worldwide to any phone for up to three minutes
2. Drop.io: Upload and share any type of file through a personalized URL
3. Adobe Buzzword: Online word processor lets you create, edit, and share text documents online
4. SkyFex: Screen sharing and remote control free online application lets you collaborate online

1. FlashPhone
   
   Flashphone is a free-of-charge web service which allows you to make free calls from a web browser. To use Flashphone you just need to have a computer with access to the Internet, a microphone, and Adobe Flash Player 9 or above installed. Just insert the number you wish to call and you will be connected to the number for up to 3 minutes per call. You can use Flashphone on Pocket PC devices too if you download and install Adobe Flash Player 7 for Pocket PC. Free.
   http://www.flashphone.ru/en/main





2. Drop.io
   
   Drop.io is a web-based service for uploading and sharing any type of file, up to 100MB. It is really intuitive and easy to use: just add the files you want to upload, type a personalized URL, add an optional password, select the expiration type, and click drop. Anyone who will be provided with the URL will be able to get the files without sending any email attachment or making long file transfers. Free to use, with no registration required.
   http://drop.io/





3. Adobe Buzzword
   
   Buzzword is a new Flash-based word document processor. Buzzword allows you to create, edit, or view any type of text document online, with no software to install (apart from the Flash plug-in). It has many of the features of Microsoft's own processor, and it enables you to export you documents as Microsoft Word (.doc), Office 2003 xml or RTF files. You can also share your documents letting people review, correct, or simply view your work. Free to use.
   http://preview.getbuzzword.com/





4. SkyFex
   
   SkyFex is a free browser-based screen sharing and remote control application that anyone can use to give/get assistance with her computer. If you are the expert who is going to give assistance, you just have to sign up for the service for free, and install a small plug-in. You will then be provided with a six-digits code to give to the other person, who will just have to paste it in his browser, and click a button. Your PCs will be then connected for remote assistance, for free.
   http://skyfex.com/