Android Testing

http://square.github.io/fest-android/

http://fest.easytesting.org/

http://www.developer.com/open/article.php/10930_3901236_3/Write-More-Understandable-Java-Tests-with-Matcher-Objects-and-FEST-Assert.htm

http://piotrjagielski.com/blog/a-cool-technique-for-object-comparison-in-junit/

http://robolectric.org/

http://corner.squareup.com/2013/04/the-resurrection-of-testing-for-android.html

https://code.google.com/p/robotium/

https://code.google.com/p/mockwebserver/

https://github.com/robolectric/robolectric

http://corner.squareup.com/2013/05/robolectric-two-point-oh.html

http://corner.squareup.com/2012/10/mockito-android.html

https://github.com/octo-online/robospice

https://github.com/octo-online/RoboSpice-samples

Small Square Tools

http://corner.squareup.com/2013/05/mimecraft-javawriter-protoparser.html

https://github.com/square/protoparser

https://github.com/square/javawriter

Event Bus

http://square.github.io/otto/

Square IntelliJ Plugins

http://corner.squareup.com/2013/05/intellij-plugins.html

https://github.com/square/dagger-intellij-plugin

https://github.com/square/otto-intellij-plugin

Date from Calendar View for Android

https://github.com/square/android-times-square

http://corner.squareup.com/2013/01/times-square.html

HTTP and SPDY Client for Android

http://square.github.io/okhttp/

http://corner.squareup.com/2013/05/announcing-okhttp.html

Dagger DI

http://square.github.io/dagger/

http://corner.squareup.com/2013/05/dagger-1.0.html

https://plus.google.com/communities/109244258569782858265/stream/bab12891-7685-4e0c-8dcb-f85cd0ca31c0

http://musingsofaprogrammingaddict.blogspot.com/2012/11/dagger-new-java-dependency-injection.html

http://www.infoq.com/presentations/Dagger

http://blog.patrickbaumann.com/2012/10/di-on-android-without-the-startup-cost-dagger/

https://github.com/patrickbaumann/daggervsroboguice

https://github.com/eburke/presentations/tree/master/strange_loop_2012/samplecode

Spoon Android Testing

http://square.github.io/spoon/

Android Image Caching and Downloading

http://square.github.io/picasso/

http://corner.squareup.com/2013/05/picasso-one-dot-oh.html

http://square.github.io/pollexor/

https://github.com/globocom/thumbor

https://github.com/globocom/thumbor/wiki

Android Shake Detection

https://github.com/square/seismic

Android Queues

http://square.github.io/tape/

REST Client for Android

http://square.github.io/retrofit/

http://corner.squareup.com/2013/05/retrofit-one-dot-oh.html

Square OSS Community

https://plus.google.com/communities/109244258569782858265/stream/47c9b7e4-3c13-4f6f-bc89-ede5f9e58612

Squash Notification Tool

http://corner.squareup.com/2013/01/squash.html

Android Tips

http://www.curious-creature.org/2012/12/13/android-recipe-2-fun-with-shaders/

Facebook SDK for Android

https://github.com/facebook/facebook-android-sdk

Sending Photos Easy

http://mobile.tutsplus.com/tutorials/android/android-sdk-sending-pictures-the-easy-way/

Growing Android Applications Guided by Tests – using Square Tools

http://www.novoda.com/blog/blog/gaagbt-part-1

https://github.com/frankiesardo/growing-android-applications-guided-by-tests