Gadu-Gadu

[citation needed] Gadu-Gadu's casual gaming portal had some 500,000 active users as at the end of March 2009.

The graphical user interface underwent a complete overhaul, being rebuilt from scratch using the Qt framework.

This update brought along a range of notable enhancements, including the introduction of voice calling capabilities, a spell checker, an anti-spam filter, the ability to display YouTube videos directly within the chat window as embeds, customizable skins, the addition of tabs, and several other additions aimed at improving the user experience and security.

[7] Notable Polish celebrities and politicians, such as Lech Wałęsa and Grzegorz Napieralski, used the site.

During this period, users could choose to migrate their accounts to Wykop, which hosts a similar microblogging service.