txtr is an eBook and digital content reading application and eBook store in Europe. Reaktor by txtr is a service infrastructure to access txtr's digital content and reader services.
The Reaktor API allows developers to access and integrate the functionality and content of txtr with other applications and to create new applications. There are both SOAP and REST APIs. Some example API methods include uploading eBooks, accessing the eBook catalog, and downloaded content.
Adlib provides software to manage and share collections. Thier systems use an open platform, employing Microsoft SQL database technology, for ease of integration, and to ensure sustainability.