GNU Linear Programming Kit vs lpsolve

The GNU Linear Programming Kit (GLPK) is an open-source software package for solving large-scale linear programming, mixed integer programming, and other related problems. It features a high-performance mathematical programming solver with data structures and algorithms to efficiently handle large problems.

lpsolve is an open-source linear programming solver. It allows formulating linear optimization problems in a simple modeling language and solving them with either the revised simplex method or the primal-dual interior point method.