Based on latest Android 4.4.4, Spirit ROM is a new kid on the block, bringing a great combo of customization options along with excellent performance and battery life.
Inside Spirit ROM, you will find Spirit Controls to fully customize your phone to your liking.  You will find almost every imaginable AOSP custom features like status bar customization (brightness control, double-tap to sleep, show notification count, show network speeds, etc…), quick settings panel customization ( quick pulldown, floating window, etc…), Notification drawer customization, Lockscreen notifications, Identicons, Gesture Anywhere, OmniSwitch, App Bar, App Circle Bar, Active Display, Driving Mode, HALO, HOVER, and a few more.
This is version 1.0 and for the very first version, it’s pretty darn stable and impressive.  If you are flasholic and just need to try the best of the latest, definitely give Spirit ROM a try this week(end) and do let me know what you think!

Download:

Download Spirit ROM for Galaxy S3 (for AT&T, T-Mobile, Sprint, Verizon, Canadian, US Cellular, Cricket, and MetroPCS Galaxy S3)
Download Android 4.4.4 Gapps (use micro if you want AOSP camera along with Google Camera)
Download CM11VolumeBoost (If you want to boost your speaker volume, install this after installing ROM and Gapps!) – Credits
NOTE: You need to update you CWM Recovery to v6.0.4.3 or higher OR also update your TWRP Recovery to v2.6.3.3 or higher.  You can update your recovery by downloading CWM/TWRP then using Flashify app CLICK HERE.
To install, reboot into recovery, make backup ROM, wipe data/factory reset, install ROM, install Gapps, and reboot. (If for some reason you end up in a bootloop, reboot into recovery, go to Advanced Wipe for TWRP or Mounts & Storage for CWM, format/wipe /system, then re-install ROM.)
First time installing a custom ROM?  See How to Install Custom ROM on Galaxy S3!
Credits - XDA <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!
Extras:
Want latest Android L Preview Keyboard?  See How to Install Android L Preview Keyboard on rooted Android!
If you want some awesome audio, check out Viper4Audio FX MOD, which you can install on this ROM to enhance your music 100%.
If you want to run your apps in tablet/hybrid/custom DPI mode, see our Xposed App Settings guide.
Need to run apps that check for root?  Check out How to Run Apps that’s don’t run on rooted Android!
If you want PIE Controls, see our LMT Pie Control guide.