More on KentOnline
Captain Doug Loft heads the list of those players leaving Gillingham this summer.
He is one of four players manager Justin Edinburgh has decided to release when their contracts expire.
Also leaving Priestfield is winger Jermaine McGlashan, Brennan Dickenson and back-up keeper Glenn Morris.
Meanwhile, eight new contracts have been offered, which includes a deal that is already on the table for defender John Egan.
Keeper Stuart Nelson, Aaron Morris, midfielders Josh Wright and Emmanuel Osadebe, along with youngsters Mitchell Dickenson and Elliott List have been offered new terms.
Teenage midfielder Darren Oldaker, who has trained regularly with the first team already, has also been offered a professional deal.
Departing skipper Loft, 29, joined the Gills from Port Vale two years ago.
He has made 62 league appearances for the club, scoring five goals and captaining the side over the last two seasons.
Injury blighted his 2015/16 campaign, limiting his impact and time on the pitch.
McGlashan struggled to force his way into Edinburgh’s team this season.
During his two years at the club he made 29 league starts and 28 appearances from the bench, scoring five times.
Brennan Dickenson was a surprise first-choice left back at the start of the 2015/16 season, keeping out Bradley Garmston.
The 23-year-old eventually lost his place, however. He leaves after making 67 league appearances.
Keeper Glenn Morris was chosen ahead of Stuart Nelson at the end of last season but had to make do with a place on the bench for the whole of the 2015/16 season.
Morris has made 12 appearances for the Gills in total during the two seasons spent at the club.