Youngsters Nathan Adams, Andy Hutchinson and Kern Miller have all been offered professional terms.
Meanwhile Richard Butcher, Lennell John-Lewis, Chris Fagan and Shane Clarke have been transfer listed and Danny Hone is available for loan.
Imps boss Chris Sutton has decided to release young midfielder Sam Clucas, who joined last summer after a successful spell on tiral.
Source: BBC Sport
Source: BBC Sport