The Jerec lightsaber is a singled-bladed red lightsaber wielded by Inquisitor Jerec, a former Jedi Master who turns to the dark side of the Force in Star Wars Legends.
A crossguard lightsaber is a lightsaber variation that emits a primary blade along with two short side blades (quillons). Kylo Ren wields a crossguard lightsaber
A lightfoil is a small, archaic lightsaber variation in Star Wars Canon. The lightweight, slim-bladed, one-handed weapon exhibits a high level of precision and maneuverability.