Photo credit: Sergei Popov

1. Meebo Rooms: Embeddable web-based instant messenger tool allows you to chat with your site's visitors
2. Orgoo: Webmail service offers 3 GB of email storage and integrates a multi-protocol instant messenger
3. LineBuzz: Web-based service allows you to receive comments from your blog readers
4. Operator 11: Website lets you stream live video with your webcam and make shows with your video clips

1. Meebo Rooms
   
   
   
   Meebo Rooms is a totally web-based instant messaging tool that you can embed on every website. You can decide dimensions, style and brand of your chat room. Furthermore, you can decide to include a video player, which will allow users to share the videos they are watching, along with photos from Flickr. Free.
   
   http://wwwm.meebo.com/rooms/





2. Orgoo
   
   Orgoo is a new webmail service that emulates Microsoft Outlook's style. Orgoo also integrates an instant messenger that lets you connect to all of the major IM providers. You can sign into your AIM, Live Messenger, Gtalk, ICQ and Yahoo account, archive all your IM conversations and then drop them into the same folders you use for email, so that you can forward them as emails. Now in private alpha Orgoo offers 3 GB of storage for free.
   http://www.orgoo.com/





3. LineBuzz
   
   LineBuzz is a web-based service that allows you to receive comments from your blog readers. When a user drags his mouse over a text on your blog, he is enabled to make a comment that all following readers will see as well, no matter what browser they're running. Free.
   http://linebuzz.com/





4. Operator 11
   
   Operator 11 is a website that lets you create netcasts. You can stream live with your webcam and other netcast participants can go themselves live with audio and video if the host decides so. Video clips can be mixed in or they can be broadcast live by anyone. All the live netcasts are automatically recorded. Just launched in alpha, Operator 11 is free to use.
   http://operator11.com/