A pain au chocolat is a type of viennoiserie pastry that uses a similar laminated dough as a croissant, but has a piece of chocolate in the center.
A Danish pastry is a type of viennoiserie pastry that uses a similar laminated dough as a croissant, but has various fillings and toppings, such as cheese, fruit, nuts, or custard.
A palmier is a type of viennoiserie pastry that uses a similar laminated dough as a croissant, but is shaped into a palm leaf or a heart, and sprinkled with sugar.
Puff pastry is a type of pastry dough that uses a similar laminating technique as a croissant, but has more layers and is used for making various sweet and savory dishes, such as pies, tarts, or vol-au-vents.
A kouign-amann is a type of viennoiserie pastry that uses a similar laminated dough as a croissant, but has more butter and sugar, and is baked in a round cake pan, creating a caramelized crust.