Some visualzation stuff, a specialized feed reader app for comics and a web service translating ISBNs:

Visualization:

• Visual Literacy: An E-Learning Tutorial on Visualization for Communication, Engineering and Business

  This e-learning site focuses on a critical, but often neglected skill for business, communication, and engineering students, namely visual literacy, or the ability to evaluate, apply, or create conceptual visual representations.

  (tags: tutorial infovis visualliteracy)

• A Periodic Table of Visualization Methods

  (tags: visualization overview oeriodictable)

Comics FeedReader:

• Comictastic: Comic Viewing Like Crazy

  Comictastic automatically grabs your favorite comics from the web, giving you unprecedented comic reading efficiency.

  (tags: software macosx feedreader comics commictastic)

ISBN Webservice:

• WorldCat Web service: xISBN [OCLC – WorldCat Affiliate tools]: API

  Use this Web service to retrieve a list of International Standard Book Numbers (ISBNs) associated with a submitted ISBN, based on WorldCat information. Free and subscription versions are available.

  (tags: specification service api restful python json isbn worldcat)