SWedge is a quick, interactive and simple-to-use analysis tool for evaluating the geometry and stability of surface wedges in rock slopes. Wedges are defined by two intersecting discontinuity planes, the slope surface and an optional tension crack. SWedge provides an integrated graphical environment for fast, easy data entry and 3D model visualization. SWedge offers an extensive array of analysis options including Deterministic, Probabilistic, Combinations, Sensitivity, and Persistence analysis. Rock bolts, shotcrete or support pressure can be applied to increase the wedge safety factor. Destabilizing forces due to water pressure, seismic loads or external forces can also be easily modeled. Joint shear strength options include Mohr-Coulomb, Barton-Bandis or Power Curve models, and a joint waviness angle can be defined.