• Is a background application and required for running the just:in user interface application.
• Can be run on the same machine as the just:in user interface or on a separate, network connected machine.
• Is responsible for controlling the Capturing Hardware.
• Supports one or multiple Channels (= Signals) in SD, HD and UHD/4K*.

_{* the number of Channels which can be recorded at the same time depends on the framerate, the format, the container, the codec, the hardware and the storage system.}

• Is the user interface to connect and control multiple Channels available from one or multiple instances of just:in Engine(s) on the network.
• Shows Realtime Video and Audio Previews from the Channels and let's you select your Capture and Destination Presets.

PCIe-Card Setups

• MacPro 12-core (MacPro5,1 or MacPro6,1)

Thunderbolt Setups 

• Mac Pro (MacPro6,1) 8- or 12-core
• Mac mini Quad-Core (MacMini6,2)
• Mac mini (MacMini7,1) → the maximum amount of recordables Channels in HD (with Apple ProRes HQ) on a Mac mini i7 2012 (MacMini6,2) is 2. With the dual core Mac mini (MacMini7,1) the maximum amount of Channels is 1.

• iMac Quad-Core i7 (iMac14,1 to iMac14,2 and iMac15,1 to iMac17,1).
• Any other Mac with sufficient hardware specs can be used but ToolsOnAir gives no support for those.