Save all your press appearances in one place. Other than simply just listing a link on your website, the best tool to use is tumblr, you can also create a press book on Pinterest.
If you don't want to make those press book public on the web, the best app to create one is KeyNote.
An you can off course use Evernote (with Evernote Web Clipper to capture the web pages) to create your press book. You'll be able to share it by email quickly and easily.
Since we're based in France, a lot of the articles in our press book are in French, but this will give you the general idea:
