Safecart Commerce Platform has very user-friendly shipping settings. you can create shipping zone with specific country and can set flat shipping method also set a default shipping method. also you can create shipping method with various condition.
How to create a Shipping Zone
How to create a Shipping Methods
you have to select a shipping zone then, you can set a title then you have to select is this shipping method taxable or not. you can make it active or deactivate, then you can set settings how it will be applied to user.