In a stand mixer using the whisk attachment, whip together the cream cheese and two packages of Boursin until smooth.
Prepare a piping bag with a large round tip. Fill the bag with the cheese mixture.
Arrange gluten-free crackers on a serving tray.
Pipe a dollop of cheese mixture onto each cracker.
Cut 24 small slices of smoked salmon and lay across the cheese mixture.
Garnish with chives.