1. SafetynethelperSafetyNet Helper wraps the Google Play Services SafetyNet.API and verifies Safety Net API response with the Android Device Verification API.
2. Secure PreferencesAndroid Shared preference wrapper than encrypts the values of Shared Preferences. It's not bullet proof security but rather a quick win for incrementally making your android app more secure.
3. RootbeerSimple to use root checking Android library and sample app
4. Ssl Pin GeneratorSimple jar to generate SSL pins based on a certificate's public key. Pins are base-64 SHA-1 hashes by default.
5. Aescrypt AndroidSimple API to perform AES encryption on Android. This is the Android counterpart to the AESCrypt library Ruby and Obj-C (with the same weak security defaults :( ) created by Gurpartap Singh. https://github.com/Gurpartap/aescrypt
6. ShowhidepasswordedittextShow/Hide Password EditText is a very simple extension of Android's EditText that puts a clickable hide/show icon in the right hand side of the EditText that allows showing of the password.
7. androidkeystoreThis started out as the sample project from Android sdk modified folder structure to for eclipse.
9. FuzzyDateAndroidCreate more relax human reabable dates and times just like twitter, stackoverflow.