Stevenage have announced the triple signing of Ronnie Henry, Chris Whelpdale and Simon Walton.
Long-serving midfielder Andy Monkhouse is one of four players released by Hartlepool.
Hartlepool have had their appeal against Simon Walton's dismissal in Monday's win against Morecambe turned down by the FA.
Hartlepool have decided to appealed against Simon Walton's red card against Morecambe on Monday.
Simon Walton has described Hartlepool's form as "scary" after a fifth successive defeat left them three points clear of the bottom two.
Hartlepool boss John Hughes has urged supporters to lay off midfielder Simon Walton after he was booed in Saturday's match.
Midfielder Simon Walton believes that Hartlepool will "hit the ground running" when the new campaign kicks off this weekend.
Hartlepool boss Neale Cooper insists he would rather have Simon Walton in his squad than the transfer targets he missed out on.
Hartlepool United have bolstered their midfield with the acquisition of midfielder Simon Walton following his release from Plymouth Argyle.
Plymouth midfielder Simon Walton will miss the final two games of the League Two season with a dislocated shoulder.
Plymouth Argyle manager Carl Fletcher believes club captain Simon Walton is getting the rewards he deserves after some tough times.
John Still has urged his Dagenham side to tighten up at the back after they lost 3-2 at home to Plymouth.
Carl Fletcher says Plymouth Argyle can improve after they recorded their first away win of the season with a 3-2 victory at Dagenham.
Accrington boss John Coleman was delighted with his 10-man side, who fought back from 2-0 down to draw with Plymouth.
Defender Simon Walton has expressed his honour at being handed the captaincy of League two club Plymouth Argyle.
Midfielder Simon Walton labelled Plymouth's 2-0 win over Walsall on Saturday as a memorable day in his career.
Plymouth midfielder Simon Walton admits he would be delighted to play for the first team before the end of the season.
Plymouth have confirmed that Simon Walton has returned after having his loan at Sheffield United cancelled.
Kevin Blackwell admits Sheffield United will struggle to find a replacement for Simon Walton.
New signing Simon Walton's career with Sheffield United has stalled before the new season has even begun.