Defender Sam Rents and forward Jamie Cook are also leaving, while midfielder Simon Rusk will take up a role with the club's centre of excellence.
Nick Jordan, Danny Hall, Tommy Brewer and Steve Masterton complete the list.
Meanwhile, midfielder David Hunt, who was on loan from Brentford this season, has agreed terms and will join the club on a free transfer on 1 July.
Source: BBC Sport
Source: BBC Sport