All-in-One Web-Based Messengers to Chat at Work or School : You are not allowed to install your favorite IM software to computers at work or most of IM Networks are blocked by the IT team. But you can access your favorite IM network through the following browser based online messengers:
1. Meebo

2. eBuddy

3. KoolIM

4. ILoveIM

5. Communication Tube

6. Mabber

7. IMUnitive

8. Centova Online

9. RadiusIM