Calculate how many days between two dates, e.g., days to birthday; and the date before/after several days, e.g., what is the date after your baby has been born 100 days.

DDM (Don't Disturb Me) is an application which allows you to turn of the ringer of your Android phone for particular incoming numbers and (if you want) in particular days and/or times.

deciBel is a simple sound level meter for Android

decision-make is an app that can make some decisions. :)

Delicious is the application for Delicious, the world's leading social bookmarking service (formerly del.icio.us). It keeps your bookmarks in sync.

App for Android Developers. Simple tool to aid development.
If you're not one, the app is still useful for monitoring what your installed apps is doing with your phone.

Features:
1. Calculate dimension for different density drawables.
2. Save those drawable dimension values for reference.
3. Monitor system debug / log output. Alternative for logcat on actual device.
4. Filter log buffer, level(priority) or/and tag.
5. Save log to a .txt file.
6. Check system information.

DeviceInfo - show details information about your Android device/phone.

The dialfaster android app gives you the information you need to jump automated phone menu systems.

The dialfaster android app gives you the information you need to jump automated phone menu systems.

Diddo is a community-based app that finds apps perfectly suited to you and your phone.

Features:
-Recommended Apps
-Popular Apps Near You
-Filters (price, rating, location)
-Screenshots
-Video Links
-Community based editing and rating system
-Versatile reviews system
-Fast!

More at www.diddo4android.com

1.1.5:
-analytics
-lots of bug fixes, including a critical list fix

An open source Android dice-roller app.

"Digital Crono" is a simple chronometer with list of lap times,average lap and best lap indicator.

"Digital Crono" es un sencillo cronometro con lista de los tiempos de vuelta,tiempo medio y con indicador de mejor vuelta.

"Digital Crono Lite" is a simple chronometer with lap times and shows the variation with laptime of last lap.

"Digital Crono Lite" es un sencillo cronometro con tiempos de vuelta y muestra la diferencia entre tiempos de muestra.

Create digital signature in few easy steps using your Android phone and have it sent to your email.

Feature includes:

- Choose to upload company logo or not.
- Choose signature color
- Choose signature stroke width

http://digitalsignature.limechalk.net/

Application that calculates the discount at any price.

Use your phones built in GPS to measure the area of a region.

Use your phones built in GPS to measure the area of a region. (Ad free version)

Simple utility that pulls gas price predictions for major Canadian cities from Dan McTeague's "Tomorrow's Gas Price Today" site

A dock mode that acts like a digital clock

The Dog Trainer is base don dog whistle. But it may be used with other pets.

As most of pets can hear higher sounds then humans and as sound is higher it will draw more attention. But unfortunately most phones and tablets can't reproduce extremely high sounds, what ever manufacturers wright in specifications. Thus we picked high frequencies but still in range of the most phones. Maybe only frequency of 14KHz will be a problem for some phones.