An open-source alternative to DeliciousLibrary (unfortunately books only) and a content syndication marketplace:

Books Library

• Books für MacOS X
  Books für MacOS X Die Open-Source-Alternative, um Ihre Bücher zu verwalten.
  (tags: software macosx opensource library books)

Content syndication:

• Mochila – The Media Marketplace : Company : About
  Mochila is an online content marketplace for publishers, editors, creators and advertisers. Designed to be first to market, Mochila leverages the power of the Internet to facilitate the acquisition and sale of high quality content that includes articles,
  (tags: webservice content syndication)