Tall defender Page came in at a difficult time and contributed three goals in twenty-five matches.
Local midfielder Mills signed in January, but was a talented player who never really showed his true qualities.
Midfielder Bor also signed in January after impressing on loan in an earlier part of the season but never recaptured the same level once shown.
Striker Garrod has had fitness issues for most of the season but will get a chance to prove his fitness over the summer.
All have played a part in a season of transition for the club and the Swans have wished them well in their future careers.