Driving 7 stepper motors

Hello guys,
I’m working on a project to control 7 stepper motors, motor specs are here: Pololu - Stepper Motor: Bipolar, 200 Steps/Rev, 42×38mm, 2.8V, 1.7 A/Phase
And wondering what is the best shield (if any) to use.
Or which chip can withstand such load.
Also, what’s the best way to reduce the amount of I/O ports that I need for all 7 motors.
Ps, I need to control the speed and direction of motors.
Thank you

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