Luton sign Northern Ireland winger Paddy McCourt and ex-Colchester United defender Magnus Okuonghae on two-year deals.
Derek Adams expects his Plymouth Argyle players to be in 'very good shape' when they return for pre-season training next week.
League Two side AFC Wimbledon sign 28-year-old winger Andy Barcham after he left Portsmouth by mutual consent.
Partick Thistle say they beat English League One clubs to the signature of David Amoo after his Carlisle exit.
League Two side Yeovil sign Crawley defender Ryan Dickson and re-sign Fulham defender Stephen Arthurworrey on loan.
National League side Grimsby Town sign striker Padraig Amond on a one-year deal after his release by Morecambe.
AFC Wimbledon have snapped up winger Andy Barcham from Portsmouth.
Kelvin Maynard has signed a new one-year deal at Burton.