Similar overall feel, being both movies about samurai (or ronin, in the case of Sword of the Stranger) on a mission, along the way facing off against a near invincible foe. Sword of the Stranger is grounded in a more gritty realism, but the action and characters aren't as jaw-droppingly cool as in Ninja Scroll.
If you like hackers and crackers doing their thing, then these two anime might provide you with some entertainment. While BPS is a 15 episode comedy series, GITS deals in more serious terms of cybercrime
