bars3d is described as 'Finite element analysis of 3-dimensional structures made of bars, designed for use in civil engineering'. There are more than 25 alternatives to bars3d for Windows, Linux and Mac. The best alternative is Etabs. It's not free, so if you're looking for a free alternative, you could try FRAMEWORK 2D+3D or MASTAN2. Other great apps like bars3d are SAP2000 (Paid), Structurix (Free), Estru3D (Free, Open Source) and sas-civil (Free, Open Source).
For nearly 30 years, ETABS has been recognized as the industry standard for Building Analysis and Design Software. Today, continuing in the same tradition, ETABS has evolved into a completely integrated building analysis and design environment.
Solve plane problems with elements: bars, beams, triangulars and space problems with elements: bars, beams, rectangular element for the calculation of the board flex, triangular element for the calculation of revolution solid.
SourceForge presents the Estru3D project. Estru3D is an open source application. SourceForge provides the world's largest selection of Open Source Software. Structural analysis using the Stiffness Matrix method
SAS-CIVIL is intented as a finite elements menthod software, with application oriented to civil and structural engineer, it is designed in two modules, one for analisys and another for desing, all under GNU license.
Safi™ 3d is a robust and reliable structural software designed with the latest technological innovations in its field and is equipped with a sophisticated, ergonomic and user friendly graphical user interface.