"go freely" is correct and usable in written English.
It is usually used in the imperative form as an invitation to do something without restraint. For example, "Please, go freely and enjoy the party."
People could go freely in and out.
She could come and go freely, but she devoted herself to the lives inside.
The majority of them have an EU passport, they can come and go freely.
Back in the Bronx where I grew up, we used to go freely from building to building.
"The public can come and go freely and spend money in their tenants' cafes and shops," Mr. Turpin said.
People can come and go freely from just about any hotel, hospital, park, store or movie house.
Before, the bikes went freely.
Other versions have him coming and going freely for years, and finally leaving for good dressed as a guard.
The prison cell had no lights or water; rats and lizards came and went freely through the collapsing roof.
Mr. Jacobs showed amazing endurance, taking only short breaks as listeners came and went freely throughout the day.
Civilians came and went freely through a side door of the hospital on Wednesday, and two people leaving the grounds said they noticed no change in the hospital's operations or security.
