Hallo Welt! GmbH is the company behind BlueSpice, the open-source enterprise wiki software distributed in more than 160 countries with over 1,000,000 downloads. The organization is strongly committed to open source and is among the world’s leading supporters of MediaWiki. Its vision is to create a future in which people openly share experiences and expand their knowledge. This approach fosters more productive, efficient, and supportive collaboration. Wikis are seen as the ideal tools to achieve this. Based on this idea, Hallo Welt! was founded in 2007. Since 2010, the company has been developing the collaborative knowledge platform BlueSpice, built on the open-source software MediaWiki. It enables employees to share their knowledge within organizations and companies. BlueSpice is available in the editions free, pro, and farm, and can be deployed as a cloud or on-premise solution.