Pandora

Pandora lets you listen to free music.

Waze

Crowd-sourced traffic info. Tell other drivers where cops, accidents, traffic jams, and more are and see other drivers as they travel.

Google Maps

Turn-by-turn navigation and more. Find local businesses, view maps and get driving directions in Google Maps

Google Buzz

Use this app to talk with the public about anything you'd like. Puts your Buzz item on a map, too, and you can see other Buzz's that are near you.

Seesmic

Seesmic is my favorite way to read Twitter.

Foursquare

Foursquare is how you let your friends know your location. Plus you get lots of offers that can save you money and tips show you more about the location you're in.

Facebook

This app lets you keep in touch with your Facebook friends.

Wavesecure

Provides a lot of like mobileme technology for android phones. Can remote lock, wipe, and backup data

Google Googles

Use your camera. Aim it at objects and Google will try to find you more information about that object.

Kayak

Find the best deals on travel (flights, etc).

Ambling BookPlayer

The Ambling BookPlayer is a great specialized audiobook player making listening easy, with format independence and unique features for mobile devices.

Dolphin HD

Great HD browser that supports gestures

ASTRO File Manager

ASTRO File Manager helps turns your phone from a toy to a tool.

Bar Control

Bar Control allows you to put links to apps in the notification bar (status bar). This allows you to switch to your most used apps quicker without going to the home screen.

TaxiMagic

Order a taxi with the tap of your finger; Hands down the best app i use.

Fring

SIP and Skype client

SMS Popup

http://www.androidtapp.com/sms-popup/. Allows you to have popups for SMS...similar to the Iphone. Also you can do fast responses.

Twitter

The best Twitter client is Twitter.

Aldiko

Aldiko is an ebook reader, works brilliantly and reads a few formats (though epub is best)

Dropbox client

Dropbox is the easiest way to store, sync, and, share files online. There's no complicated interface to learn. Dropbox works seamlessly with your operating system and automatically makes sure your files are up-to-date. Available for Windows, Mac, and Linux.

Handcent

It took me a while before i installed this one, but im not regretting it. It copies the iPhone style of SMS 'chat' and includes neat popups so you don't need to switch apps when a txt comes in. Brilliant!

Google Gesture Search

Gesture Search from Google Labs lets you search your Android-powered device by drawing alphabet gestures on the touch screen. It allows you to quickly find a contact, a bookmark, an application, or a music track from hundreds or thousands of items, all in one place.

LauncherPro

Really fast home screen replacement. Supports up to 7 screens, customizable icon dock at bottom.

Layar

Augmented Reality client. Useful for location stuff.

Easy WiFi

Allows you to auto-login to public WiFi hotspots. Includes its own free to use network as well as supporting commercial accounts like AT&T WiFi.

Evernote

Evernote for Android lets you capture your ideas, experiences, and inspirations as the happen, wherever you find yourself. Then easily search and find all your notes, even those created using Evernote on your desktop.

TripIt

Get all sorts of information and assistance with your flights.

Springpad

Springpad makes it easy to save notes, products and places you want to remember

Shazam

Find the name and other info of songs you hear on the radio and in other places.

Runkeeper

This app was very costly on the iPhone and one of the best, its recently moved to Android and its currently free. Get it now if you do any sort of exercise and want tracking/stats/etc. Absolutely brilliant and a must have for any exercise junkie or person wantting to get fit, Features include Live tracking, Calories, speed, GPS mapping, and upload to website

Aldiko

Ebook Reader

Touiteur

Great Twitter client by the team that made the very popular Beautiful Widgets.

RunKeeper

RunKeeper, a mobile fitness platform for smartphones like iPhone and Android that enables runners and other fitness enthusiasts to track, measure, and improve their fitness.

Rackspace Cloud

Spin up more servers and web hosting infrastructure from your phone and then manage your servers with this cool app.

google sky map

View the night sky; identify constellations & plans.

My Tracks

My Tracks is an application for your AndroidTM phone that enables you to record GPS tracks and view live statistics – such as time, speed, distance, and elevation – while hiking, biking, running or participating in other outdoor activities. Once recorded, you can share your tracks, upload them to Google Spreadsheets and visualize them on Google My Maps.

Trapster

Trapster is a FREE app that alerts you as you approach speed traps, red light cameras, police check points, and other wallet road hazards. Join over 6 MILLION users world-wide and submit the location of traps in your area.

xScope Browser

Great web browser, supports multitouch and has great bookmarking/social features, has build in task manager and file browser.

Opera Mini

Swype (beta)

Currently closed Beta, but revolutionizes input on Android by allowing users to trace out their words on a keyboard instead of typing letter-by-letter. Very fast.

NewsRob

RSS Reader using Google Reader as Backend and syncs with it.

ES File Explorer

Lets you browse your LAN, move & copy files, and also has a built-in FTP client.

Doggcatcher

Very impressive video/audio podcast player for Android.

WordPress for Android

A very nice WordPress client that supports multiple WP blogs.

PdaNet

Allows you to tether your Android.

Inserty

Insert or copy-paste your current location, city, country, clipboard contents, or any custom text template, to Email (signatures!), SMS, Twitter, etc.

SlideScreen

Nice -looking compact and light homescreen replacement

Twidroid

THE twitter client

Advanced Task Killer Free

My favorite task killer

Amazon.com

Allows you to search Amazon.com, make purchases, and add items to your Wish List.

Advanced Task Killer

Kills running apps to save memory, cpu cycles, and power.

Pageonce Personal Assistant

Pageonce Personal Assistant is the most effortless way to manage your life online, anytime, anywhere. The app enables users to monitor their banking, credit card transactions, investment accounts, keep track of frequent flyer miles, travel itineraries, flight information, cell phone minutes, and more.

Touchdown

If you use your Android with Exchange email Touchdown for Exchange\Android is a must for me. One feature it has no other email client that I have found has is inline editing of emails.

Bulletin

Solid RSS reader that sync with Google Reader.

PingDroid

Simple, solid ping.fm client.

Mint

Great app to manage your Mint.com account.

Adobe Reader

Useful when you get PDFs via email attachments.

Google Earth

Solid implementation, fun party trick.

WeatherBug

Very solid weather app; can put the current temp in your notification bar and has a variety of different-sized widgets.

Chompin

Use Chompin to explore new music where ever you are. Listen to music that is curated by the web's best music bloggers and discover what is new and hot. Read about bands, concerts, and new artists. Chomp tracks to your phone and share with your discoveries with your friends on Twitter. Start chomping today!

Astrid

and it syncs with RememberTheMilk! Astrid is a todo list / task tracking system for Google's Android platform built with your productivity in mind. Astrid's goal is to be simple to use with the features you need to stay productive and get things done.

Vlingo

Tell your phone what to do by voice.

Tweetcaster

In addition to standard Twitter functions, TweetCaster features: Multiple Twitter account support Integrated retweets Integrated Twitter lists Notifications Offline tweet caching URL shortening (and previews) Photo attachment Threaded direct messages Font/Theme customization Landscape support Profile editing Tweet filtering

TweetCaster

What reviewers are calling "the best Twitter client for Android!". Aside from standard Twitter functions, includes Facebook support, multiple accounts, new and old RTs, lists, notifications, themes, video uploads, photo uploads, 2 sizes of widgets and more.

Twicca

Fast, full-featured, free twitter app.

Service Tattler

Easy to create mobile service reviews. Supports foursquare checkins. As you rate service it changes your tip. Share your service reviews with your friends on your twitter feed, find places that have good service. Free on Android Market.

ADW Launcher

Elegant launcher that offers customization for home screens, drawers, desktop previews and other ui elements.

Pixelpipe Upload & Check-in

Upload photos, video & audio to over 100 services & check-in with linked media to foursquare & Brightkite with Pixelpipe

doubleTwist

The first Android media player not designed with MSPaint has launched: http://bit.ly/c7W2Ka

3banana Notes

Capture what matters with 3banana. Notes, ideas, addresses, photos, geotags, - almost everything! Access them on the web. Open intent into 3banana allows other Android apps to use 3banana notes for capturing.

Audible for Android

Not yet released (in open beta) but still worth installing.... review and download books from your Audible library. Not quite streaming, but books/subscriptions can be played as they download.

Compass

Best compass app for Android! Note your locations and access them on the web.

AK Notepad

The notepad Android should come pre-loaded with. Reminders, passcode lock, #tags, syncing, themes, and more.

DailyHoroscope

The DailyHoroscope is a zodiac horoscope application which is updated on a daily basis. Plus: * Zodiac sign compatibility * Chinese horoscope for 2010 * Missed a day-scroll back * Share and save readings * Custom colors (set in app settings)

Gowalla

Inrix Traffic!

Real-time traffic information for avoiding congested highways.

BeyondPod

Audio/Video podcast catcher/player.

Skyfire

Web browser that supports some sites with flash content.

Listen

SwiFTP

The goal of the project is to enable an Android phone to easily share files with computers or other devices over a wifi network. These computers only need to have an FTP client, which all computers do..

Photoshop.com Mobile

Basic image editing right on your phone. Makes the usual low-contrast photos fun to look at.

Audiobook Player

Very basic audiobook player that does exactly what you want. Includes a nice sleep timer with shake-to-wake feature.

Glympse

Great way to share your location for a limited time span (e.g. while on the way to someone). Can also display the estimated time to arrival.

AppBrain

AppBrain makes it much easier to pick and install apps from the web. Also it's really cool to share the list of apps I have installed with friends over twitter.

Feedsquares

Sync with Google Reader.

Sweet Dreams

Sweet Dreams is a revolutionary tool that will finally allow you to go to sleep without worrying about changing your phone settings in order to avoid unwelcome late night calls. Just set your filters (location, movement or sound) and Sweet Dreams will do the job for you.

Ringdroid

Create your own ringtone by editing a music track in your library, or record a new one directly from the phone

Tricorder

A multi-sensor environmental monitor -- turn your Android device into a working tricorder!

Barcode Scanner

Scan barcodes on CDs, books, and other products, then look up prices and reviews, or search for a word in a book and find where it occurs. You can also scan QR Codes containing URLs, contact info, calendar events, etc.

Upstream

Flickr uploader that supports multiple file uploads from the Gallery. Has options for sharing information about your location, changing it, changing the license and the privacy of your photos.

NYTimes

Designed to utilize the features and navigation of Android smartphones, this application downloads and syncs the latest news directly to your device. Compatible with Android smartphones with operating systems version 1.6x or higher. To download the app, go to http://nytimes.com/androidapp while on your Android phone.

Lookout

Lookout is the easiest way to protect your phone from viruses, hackers, loss and theft. For Android, Blackberry and Windows Mobile. http://www.mylookout.com/m/android

ADW.Launcher

This is the most configurable Launcher app that I've used. Love it. Opensource home replacement app. -Customizable desktop previews. -Customizable application drawer (old one or iphone/galaxy one) -Customizable drag&drop action buttons. -Unveil the Dockbar flicking-up the app-drawer button and drop another 6 shortcuts/folders/apps!

Yelp

Need some Yelp when you're on the go? We've got you covered on the BlackBerry, iPhone, Palm Pre and your mobile web browser.

MiKandi App Store

MiKandi is the World's First App Store for Adults. Famously mentioned by Steve Jobs in his iPhone OS 4.0 keynote, this app highlights how open the Android OS is - even though it's not available in the marketplace, a consumer with an Android phone can download this app directly to their phone from the MiKandi website.

http://play.me

You can listen to the best artists Play.me has to offer on your Android phone. Discover featured music or search for your favorite artists. Enjoy all your playlists: Play.me on Android is fully integrated with Play.me on the web! Download your songs straight to your phone.

Barcode Scanner

Scan barcodes on CDs, books, and other products, then look up prices and reviews, or search for a word in a book and find where it occurs. You can also scan QR Codes containing URLs, contact info, calendar events, etc.

ZipRealty

Now, real estate goes where you go! With ZipRealty's Android app you can get current information on homes for sale right around you, or for homes on the other side of the country.

Audible Beta

Audible book reader for Android - in Beta from Google Groups

Network Discovery

Machines discovery and port scan utility for local networks.

Picsay Pro

Really fun, intuitive photo editing tool. Improve your photos with color corrections. Be creative with paint, word balloons, and stickers. Or have fun with distortions, cutouts, special effects, and more. All in an intuitive easy-to-use interface, making PicSay Pro the perfect all-in-one solution for editing images on your Android powered device.

Monty Python Soundboard

Face it, everyone needs a little laugh now and then. Soundboard includes a weekly video as well.

FolderOrganizer

Organize applications, bookmarks, contacts and shortcuts using labels. Other features: change icon of a folder change icon and rename an application icon pack support home shortcut to labels and items (applications, bookmarks and contacts) assign a label to multiple items in a simple way items in Android notification toolbar hierarchical labels (only in full version) direct folder editing (only in full version)

Places Directory

Places Directory allows you to browse nearby places in categories like Restaurants, Movie Theaters, Hotels and Banks. You'll see distance and directions to the destination, and if you tap on the listing, we'll show ratings and photos. You can also call the business or view its location on Google Maps.

Wapedia

Wapedia is the fastest and most popular way to access iWikipedia on your touch device. Apps available for iPhone and Android

App Organiser

Great app to uncluster your home pages.

SMS Backup & Restore

Great app to get your sms off the phone and on to SD card.

WiSyncPlus

Hugely improves battery life, controls data usage. Not for the fainthearted but if you need this functionality in your Android, it is well worth the couple of bucks!

xe Currency

Great currency exchange app for travellers. Keeps rates stored for use even if you aren't connected to a local data network.

Pickup Sports Beta

Pickup Sports is for you to find pick up games in your local areas, basketball 3 on 3, football 5 on 5. With this app, your sport activities can never be easier. Now you'll never have to worry about going to park not finding anybody to play with.

Audible for Android

Audible App for Andriod (Beta). Join the Google Group at the link above to gain access to download links!

XM Sirius Radio

Carry your music/talk/news with you. For XM Sirius Radio web subscribers or anyone who wants to 'try it before you buy it' there is an initial trial period.

SongDNA

SongDNA aims to be your source for song information. It collects data on any song from more than 7 sources on the internet: the video's, the bio, the highest rank in the charts and more! The app is fully functional, ad-based donate-ware. And if one donates above the threshold (currently $2), the app runs ad-free! Became 2nd in last year's ADC2 in the category Entertainment. Direct download URL: market://details/?id=nl.dedicado.android.songdna.market

URL Pusher

Allows you to send the URL of a web page straight from the PC to the phone. Simple, perfect.

SMS Backup

Back up all SMS conversations from the phone to your Gmail account. Shows up with its own label in Gmail, makes it simple to search for messages. Must have app

ShuffleTone 2.0

Hate hearing the same ringtone everytime your phone goes off? Liven things up by adding some randomness to your ringtones, with ShuffleTone. Shuffle playlists of ringtones for both calls and texts.

Hootsuite

Great Twitter App

Last.fm

RemoteDroid

Use your android device as a wireless keyboard/mouse

SipAgent

SIP softphone with STUN, NAT, ICE support

xScope lite

Browser, fast with a lot of feature

A world of photo

Multi-player game

Sipdroid

SIP phone

Rom Manager

ROOT USERS ONLY! Manage your ROMs via a handy UI. organize and perform backups and restores from within Android! Install your favorite ROMs over the air!

Twidroid PRO

The PRO version of Twidroid adds just enough features to make it work the money and makes it the best Twitter client for Android.

Brightness

One click control for decreasing/increasing display brightness. Great way to save battery juice- and avoid going through control buttons.

Junaio

Emerging augmented reality platform. Have had solid experiences in New York City.

Gist

The Gist Android App is here! You can now see complete business profiles for your contacts including updates from social networks like Facebook and Twitter, mentions in the news, and email correspondence across inboxes. Presented in context around an upcoming meeting or recent status update, Gist puts the most important information about important contacts at your fingertips.

Calltrack

This simple app adds each call you make or receive to a google calendar. I love the calendar view of my calls.

ScheduleDroid

Free Twitter Scheduling Application for Android - really cool!

Google Voice

One of the best apps and integrations to come to your phone. Exclusive on the andriod for now and give you true number portability.

AppAware Market and Twitter

Become aware of which applications are installed right now and/or around you by other Android users! This is the new Social Market for Android: share online (even on Twitter) your installations, updates and removals of apps.

Trackr

Manage your Pivotal Tracker projects / Agile Projects on the go.

TED Air

The "MUST-HAVE" app for the enlightened public, enjoy TED speeches with "TED Air" and share it with friends. ...