Julio Cesar, 32, has been strongly linked with a move away from Inter after six years at the club, with Manchester United and Roma reportedly keen to acquire his services.
Stankovic, who has been linked with West Ham United, has one year left on his contract after eight seasons with the Nerazzurri.
Meanwhile, Slovenia goalkeeper
Handanovic is set to take Julio Cesar's place as Inter's number one and will join the team in training on
Brazil defender Maicon, who is a reported target of
Forlan joined from Atletico Madrid last northern summer but endured a frustrating injury-plagued campaign. The 33-year-old scored two goals in 22 appearances.
Palermo, meanwhile, has confirmed that centre-back Silvestre has joined Inter on a season-long loan, with the option for the Nerazzurri to make the move permanent next northern summer for an undisclosed fee.
The 27-year-old had requested a transfer after just one season at Palermo.
A statement from Palermo read: "Palermo announces it has loaned Matias Silvestre to Inter. The defender joins the Milan club on loan with a buy-out option."
Silvestre, who is under contract with the Sicilian club until June 2015, scored five goals in 29 league appearances for Palermo last season.
Inter Milan president Massimo Moratti admits he has a difficult decision to reach as he considers whether Andrea Stramaccioni should remain as the club's head coach.