Photo credit: Sanja Gjenero

1. Talkety: connect two phones via a web-based interface and call people around the world for very competitive fees
2. OnlineGroups: set up online groups where people can hold conversations and share information
3. CosmoPOD: create your own online desktop and access it from any computer
4. Elgg: weblogging and social networking platform enables you to create online communities and provide e-learning sessions
5. RemoveWGA: utility for Windows that enables you to remove the Microsoft "Windows Genuine Advantage Notifications" tool

1. Talkety
   
   
   
   Talkety is an online service that allows you to make phone to phone calls for a good price by connecting two phones via a web-based interface. You only need to type your phone number and the number of the person you want to call and Talkety will also show you how much the call will cost you. It doesn't matter whether you are calling a national cable network or an international mobile phone. In order to call, you simply need to transfer credit to your Talkety account. As soon as you have registered, you automatically get a credit of 30 free minutes. You don't need to install anything on your computer and there are no system requirements. Free registration.
   
   http://www.talkety.com





2. OnlineGroups
   
   OnlineGroups enables you to create your own sites with online groups where people can hold conversations and share information in groups in a web-based context. With OnlineGroups all your online groups are on your own site. Explore the demo group, find out more or start a site. First group free for up to six months.
   http://onlinegroups.net/





3. CosmoPOD
   
   CosmoPOD allows you to create your own online desktop and access it from any computer. Once you have signed up for an account, you download a small application that provides you with the means to connect your online desktop. Once you've logged into your desktop, you'll see a list of applications, among which there is an office suite that allows you to work with Word and Excel documents seamlessly. The free ad-supported version of CosmoPOD gives you a free email, 1GB online storage, a full office suite, an instant messenger and much more. CosmoPOD requires registration and download. CosmoPOD client is available for Windows, Linux, Mac OS, Solaris, PlayStation 2 and iPAQ. Free to use.
   http://www.cosmopod.com/





4. Elgg
   
   Elgg is a community building platform that provides tools to create online learning communities. Elgg features weblogging, podcasting, social networking, file storage, tag searching, customised user themes, multi-language support, and more. You can control exactly who has access to your profile, each blog post, file, etc.. It is also possible to search using tags to find other resources and people related to the same topic you are interested in. You can sign up for a free hosted account at Elgg.net or you can download the free source code and install Elgg on your own server. Free to use.
   http://www.elgg.org





5. RemoveWGA
   
   RemoveWGA is a utility for Windows that enables you to remove the Microsoft "Windows Genuine Advantage Notifications" tool, which connects to Microsoft servers every time you boot. Basically, Windows Genuine Advantage Notifications sends information to Microsoft to make sure that you have a legit copy of Windows. Nonetheless, connecting to Microsoft brings security issues for corporate networks, and privacy issues for everyone. It is also unclear which information are transmitted, despite Microsoft's official clarifications. Windows Genuine Advantage Notifications is different from Windows Genuine Advantage Validation: RemoveWGA only removes the notification part and does not touch the Validation part. RemoveWGA is compatible with Windows XP. Free download.
   http://www.firewallleaktester.com/removewga.htm