LearnMango - This app has the detailed list of all the new APIs in Windows Phone OS 7.1.
You don't have to go online to check which namespace is available under which class again and again. You now have an App which has all the detials for you without going online.
It is book cum reference of new Windows Phone OS 7
ShortcutStarter - ShortcutStarter is an alternate start menu program launcher. It also has a built-in start menu LNK file manager.
When you start the app, it displays a list of the shortcuts in your start menu. Tapping on a file name will start the LNK file with the associated application
ShortcutFingerer - ShortcutFingerer is a finger-friendly alternative to the start menu.
When you run the app, it will create a pad of buttons for each start menu entry. Press the left and right buttons to change the page.
Tapping on a LNK file will open it with the associated application
Supreme Shortcuts - This application allows you to pin shortcuts to to most options in the settings page on the Start Screen. There are currently 71 settings/menus/apps that you can pin and customize
+StartPage - This is an explanation of the pages you'll find on your Internet Explorer after installing +StartPage.
Search - easily search on google and amazon. You can also search Wapipedia (Wikipedia mobile) and Answers. Also yahoo and technorati.
Pocket PC - These are the best Pocket PC enthusiast sites.
Specialized - Freeware sites and brand related sites
BetterToday - BetterToday is a Today plug-in that lets you display up to two BMP images on the Today page precisely positioned on the screen (to the nearest X & Y co-ord).
The program can handle transparency of the BMP (apparently white - 255,255,255 - is transparent by default)
Spb ToPlay - Spb ToPlay plug-in was designed to provide you with an easy way to start listening to the music from your Media Library right from Today screen
Spb Folder - Spb Folder plug-in shows documents from a selected folder.
You can customize it to show only certain types of the documents (only Pocket Word and Pocket Excel documents, for example). It also allows users to customize the number of columns and rows
