Stacks, the perfect Instapaper companion for Windows 8 and Windows Phone!

Synchronize, organize and read your bookmarks. Use the Charms Bar from any app to add bookmarks to your Read later folder. Total offline support.
IMPORTANT NOTICE: You need a paid subscription to Instapaper.

or here for Google Chrome users

// What You'll Get

List your bookmarks

List all the bookmarks in your Unread and custom folders.
Add bookmarks

From any app, use the Share button in the Charms Bar. Add a bookmark from a URL or by selecting text.
Organize your bookmarks

Archive, move and delete bookmarks one by one or by multi-selection.
Total offline support

Bookmarks can be read offline (including images). Changes made offline are automatically synchronized when online.
Share

Read later links without leaving the app. Save pictures or share your bookmark.
Personnalize your reading experience

Adjust font, line height and size of the text. Use Night Mode to change the contrast manually or automatically at sunset.