Soxy (Version 1.4.2) from Rorohiko Ltd.
Soxy is a file interceptor, it will automatically determine the type of each file you open and then direct it to the application of your choice. Soxy is most popular for distinguishing between the different versions of Adobe InDesign files.
StoryTweaker (Version 1.2.1) from Rorohiko Ltd.
StoryTweaker is a translation tool for Adobe InDesign users. StoryTweaker lets you export the text from an InDesign document, translate it and then re-import it back into the document, eliminating the need to have Adobe InDesign installed to translate an InDesign document.