lindyFrame is a desktop application framework which eliminates the development time needed to create software tools. The framework provides the ability to create applications which support several languages and loading resources from network sources. The core aspect of the tool is a plugin architecture which the developer uses to build the desired functionality in the desktop application. Multiple plugins can be created and loaded which will operate in their own individual threaded environments.
BookONO eBook Manager is an e-book manager and convertor designed as a compliment to Calibre. It is not a rewrite of Calibre, but instead an alternative product which makes some different design decisions. It uses Calibre to do a lot of the heavy lifting, so despite being an independent application, it is considered complimentary to Calibre.