Hearts manager Ian Cathro has bolstered his defensive options by capturing Slovenia international full-back Andraz Struna.
Hearts have signed French midfielder Malaury Martin on a free transfer.
Hearts defender Igor Rossi has left the club to join Saudi Arabian side Al-Faisaly Harmah.
Juanma has completed his move from Hearts to Japanese club V-Varen Nagasaki.
Alim Ozturk has completed his move from Hearts to Turkish side Boluspor.
Hearts have signed defenders Aaron Hughes and Lenny Sowah on deals until the end of the season.
Hearts are close to making Aaron Hughes their first signing of the January transfer window.
Hearts head coach Ian Cathro has confirmed he expects further movement of players in and out of Tynecastle this month.
Jonny Hayes scored a second-half winner as Aberdeen moved within two points of Rangers with a 1-0 victory over Hearts at Tynecastle.
Hearts defender Callum Paterson has been ruled out for up to 10 months after sustaining a knee ligament injury in the win over Kilmarnock on Tuesday.
Ian Cathro secured his first win as Hearts boss after his side thrashed Kilmarnock 4-0 at Tynecastle on Tuesday night.
Hearts striker Conor Sammon is poised to make a loan switch to Championship side Dundee United in the next 48 hours.