Most of the time Hackers are out to make something that might exist a little better but sometimes its better to just build something on your own. Free & Open Source Software are a form of technical expression with Andrew from BleachBit and news that Open Whisper Systems recently received a request for private user data on its encrypted messaging app and what they did in response ROCKS!
https://www.bleachbit.org/
https://whispersystems.org/bigbrother/