Photo credit: Higyou

1. Fileai: Select a file and transfer it directly with no upload process via a download link
2. Fleck: Annotate any web page while chatting with other people who are visiting it
3. Chawt Web SMS: Free service lets you send free SMS messages to any phone
4. Remote Live Desktop: Remote control any PC using a Windows Live Messenger text command

1. Fileai
   Fileai is a file sharing service that lets you send huge files to anyone. Just select the file you want to send, with no size limit, get the link, and share it with other people: the file will be sent directly from your PC to other people's, with no upload process. The service does not need any registration and it is free to use.
   http://fileai.com/





2. Fleck
   Fleck is an online annotation service that you can use to add notes and comments to any website. If you want to add a note on a site, you just have to go to Fleck.com, type in the URL, invite your friends, and you can start adding notes, chatting with other people visiting the site, see previous changes that others made, and also save the comments that you and your friends made. Free to use, no registration needed.
   http://www.fleck.com/





3. Chawt Web SMS
   Chawt is a SMS service that you can use to send free text messages to people. After a free registration, you can send free text messages up to 80 characters to any mobile phone around the world, without paying anything. Only thing you get is a small ad at the end of your message. Free to use.
   http://www.chawt.com/index.php





4. Remote Live Desktop
   Remote Live Desktop is a Windows Live Messenger utility that lets you remotely control a PC. All you need to do is to install Live Desktop on the remote PC, and you're ready to remote control it from anywhere. Besides using it to control your remote computer, you can also use it to give assistance to your friends by telling them to install it. Free to use.
   http://www.remotemsn.com/