Threshold Exclusive: Freeware 'LevelUp' 737NG Series Introduced for X-Plane - Threshold
Take Command!: IXEG 737 Classic, X-Aviation
Boeing 737.X : AirlineReporter
737-700 Ultimate Pack for X-Plane 11 | Based on the 737-800 by Zibo, there's a new 737-700 Ultimate Pack, freeware, for X-Plane 11. Download yours from Threshold forum.
News! - Aircraft Released! : Boeing 737-700 by EADT - News! The latest developments in X-Plane - X-Plane Reviews