ReSlope is an interactive, design-oriented, program for geosynthetic-reinforced slopes. For a given problem including geosynthetic strength, reduction factors, and design safety factors, ReSlope produces the optimal layout (i.e., length and spacing) of reinforcement layers. ReSlope was specifically developed for geosynthetics. ReSlope is geared towards the design (not analysis) of reinforced slopes with simple geometry. ReSlope does not consider surficial stability; it assumes that the reinforcement can develop full long-term strength at its front end.