Hartlepool United sign ex-Barnsley striker Rhys Oates whilst Dan Jones has signs a new contract with the League Two club.
Tom Clarke and Paul Huntington have agreed new deals at Preston, while Kevin Davies is in talks over a possible player-coaching role.
Preston's Tom Clarke and Paul Huntington have signed new two-year deals, with a one-year option taken on Bailey Wright.
MK Dons sign defender Joe Walsh from Crawley on a three-year contract for an undisclosed fee following a short loan spell.
QPR complete the signing of midfielders Massimo Luongo and Ben Gladwin from Swindon Town on three-year deals.
Chesterfield manager Dean Saunders is pleased he was able to keep Drew Talbot at the club.
MK Dons manager Karl Robinson has signed defender Joe Walsh on a permanent deal from Crawley.
Northampton Town sign left-back David Buchanan from League One play-off winners Preston North End on a free transfer.