Mansfield re-sign striker Matt Green from Birmingham and bring in Walsall defender Malvind Benning.
York coach Richard Cresswell will take on a dual role at the club next season after resuming as head of football operations.
Northampton Town have signed Nicky Adams following the midfielder's departure from Bury.
Tranmere Rovers have agreed a deal to sign former Wrexham midfielder Jay Harris a season-long contract.
Northampton Town have signed Bury midfielder Nicky Adams, 28, on a three-year contract.
Tranmere Rovers make Wrexham midfielder Jay Harris their third signing since being relegated to the Conference.
York City defender Daniel Parslow is set to leave the club after nine years.