
Photo credit: Sebastian Kaulitzki
- IMunitive: Web-service allows you to connect to all major instant messaging networks
- MiniMobs: Web-messenger service lets you embed a portable chat into your blog or website
- Mind42:Browser-based mind-mapping tool enables you to create and share mind-maps with your team
- Stickis: Add notes with text and images to a website and share them with other people
- IMunitive

IMunitive is a web service that allows you to connect to MSN, Yahoo! and AIM instant messaging networks. It allows users to personalize their contacts list by adding details and creating groups. In the chat window, you can invite any buddy from a different IM network. Registering for free to the service enables you to transfer files and to have voice chats. IMunitive is free.
http://www.imunitive.com
- MiniMobs

MiniMobs is a new chat messenger service that lets you embed its portable chat service onto your blog or website. It has the shape of a mobile phone, that you can personalize with different colors after a simple registration and embed it wherever you want. Free
http://www.minimobs.com/
- Mind42

Mind42 is a browser-based mind-mapping application that enables you to create an unlimited number of mind-maps in which you can type text, add images and attach Wikipedia articles or notes. You can also invite people via email to edit your maps in real-time. Still in beta, it is fully web-based and free to use.
http://www.mind42.com/
- Stickis

Stickis makes it easy to create notes which float directly over the content of any website, and can be shared with your friends, kept private or else opened up to the Stickis community. To create a Stickis note, you simply click on the 'add note' bookmarklet, add your comments, a title and tags. Furthermore, Stickis lets you drag and drop content - such as images - directly into your note for easy sharing. You can also add comments to other users (public) notes, allowing you to strike up a conversation. Free.
http://stickis.com