MSI AFTERBURNER & DRAGON CENTER
The afterburner overclocking software by MSI really needs no introductions and is also what i used to overclock this specific card.
From the initial screen you can check the cards current clocks and temperatures, adjust fan speed and of course push the cards clocks and voltages (the OC button on the upper left corner can be used to automatically find the maximum safe OC for your card).
Installing the Dragon Center is a bit harder than the Afterburner software mainly because it downloads and then starts many addons at start-up (and that takes quite a bit of time).
From within the Dragon Center you can enable gaming mode for your installed games (for the optimal gaming experience), use one of the 4 speed presets (5 including the custom one - need to restart your system after changing this), use the hardware monitor, launch the companion app (ended up not using this), pick one of the 3 true color presets (screen temperature), prioritize games via the LAN manager, adjust the RGB settings (20 effects), enable ambient link with other devices (if available), check for software updates and enable/disable the zero-fan mode (you can also push all fans at 100% via the cooler boost button).