
Photo credit: Konstantin Inozemtsev
- Wrike: Project management tool lets you manage tasks and collaborate online with your team
- OnShare: File sharing service allows you to share files that are on your computer with people you invite
- ChatStat: Live chat service lets web site publishers interact with their visitors straight from their website
- Zoho Wiki: Wiki creator lets you set up public and private wikis and edit them with other people
- Wrike

Wrike is a project management tool that allows you to collaborate online with your team. Wrike does not limit the amount of activities you can keep track of. You can enter new tasks via email simply by adding [email protected] to the recipients of your email. There is no need to download or install anything on your computer. Wrike is free to use.
http://www.wrike.com/
- OnShare

OnShare is a service that allows you to share files that are on your computer with people you invite. If you have more than one computer, you can easily share between them wherever they are in the world. With OnShare, your friends appear as drives on your computer, meaning you can access their shared files directly from within Windows. Free to use.
http://www.onshare.com
- ChatStat

ChatStat is a service for web publishers that lets them add live chat and statistical tracking services to their web site in order to perform support and monitor traffic trends. Live chat is free for up to five operators and you can let your customers request a call back directly through your website and connect directly using Skype. Check out the list of the free features and the list of the on-demand features. You can add up to 20 premium features for $9.95 per month. Free sign up.
http://www.chatstat.com/
- Zoho Wiki

Zoho Wiki is a service that enables you to create public wikis and share them with other people. All your public wiki pages will be automatically indexed and cached by search engine robots and hence will be listed in search results. You can set different access to different documents: private, public and group access. Free to use.
http://wiki.zoho.com/