What are your favorite sites, software and apps for managing your business?

[cje]

I use Maxcut to optimize large amounts of pieces among sheets. You can also take the grain of the pieces into account when optimizing.

It requires a new key every month, but that key can be obtained for free.

 

[Anejo]

...maybe collecting credit card payment on your phone, scheduling, etc.

For collecting credit card payment I started usinghttp://www.squareup.com Square for my iPad about a year ago.