MASTAN2 - Interactive structural analysis program that provides preprocessing, analysis, and postprocessing...
FRAMEWORK 2D+3D - Free Windows structural civil engineering software 2D/3D
Estru3D - SourceForge presents the Estru3D project. Estru3D is an open source application.
Analysis for Windows - Powerful Finite Element Analysis package for 2D and 3D constructions (frames and trusses)
bars3d - Finite element analysis of 3-dimensional structures made of bars, designed for use in civil...
Structurix - Analysis of structures based on the principle of the finite element method.