Photo credit: Slavoljub Petrovic

1. eBuddy: chat with your MSN, AOL and Yahoo buddies via your web browser
2. PeerMe: voice chat interactively, send and receive instant messages, and transfer files over the Internet
3. Blobber: see how many other visitors are on a web site and to chat with them
4. Kiko: shared calendar integrates with your IM and mobile
5. Posticky: leave online notes that you can send to your mobile phone and to other people

1. eBuddy
   
   
   
   eBuddy is a web application that enables you to chat with your MSN, AOL and Yahoo! buddies via your web browser. To use the web version of eBuddy, all you need is a JavaScript enabled browser on your computer and it works even if you are behind a firewall. If you are on the road, you can use the mobile version of eBuddy to chat with your buddies. Every mobile device that supports xHTML or WAP can be used. For more information see the eBuddy mobile-related section.
   
   http://www.ebuddy.com/





2. PeerMe
   
   
   
   PeerMe is an easy-to-use communications tool that allows you to voice chat interactively, send and receive instant messages, and transfer files over the Internet. You can set up a contact list with a community of other users for quick and easy communication. You can embed PeerMe on your blog or even in your email signature to get people leave you messages with one click. All you need is the PeerMe software and a Windows computer with a connection to the Internet. Free to use.
   
   http://www.peerme.com/en/index.php





3. Blobber
   
   Blobber is a unique web service that enables people to see how many other visitors are on a web site and to chat with them or to the site operators, send and receive instant messages and even receive information and alerts directly in the page they are viewing. All in real-time and without the need to download or install any external components. In order to embed Blobber on your own web site, you just need to complete an online form and then insert one line of code into your web pages. Free to use.
   http://blobber.com/





4. Kiko
   
   Kiko is a calendar that delivers all the functionality of desktop calendar software. It is a simple and functional calendar you can use right in your web browser. Kiko integrates with your mobile phone and AIM and lets you access your calendar from any computer. You can invite anyone to events and let others view your calendar with just a click. Appointment reminders can be sent by email, instant message or text message. Users can import appointments from iCal and contacts lists from vCard.
   http://www.kiko.com





5. Posticky
   
   Posticky is a service that enables you to leave online notes that are available from anywhere in the world. You can send notes to and from your mobile phone and even check Posticky notes from your mobile at m.posticky.com. Posticky also allows you to send notes to others via email and set alarms and reminders for your notes. Free to use.
   http://www.posticky.com/