EngiLab Rod.2D is described as 'Easy-to-use yet powerful engineering tool for the structural analysis of plane (2D) trusses for Windows, using a 3-DOFs (Degrees of Freedom) per node approach'. There are four alternatives to EngiLab Rod.2D for Windows and Mac. The best alternative is MASTAN2, which is free. Other great apps like EngiLab Rod.2D are FEMTA (Free, Open Source), Fachwerk & Fachwerk 3D (Free, Open Source) and 2D Frame Analysis by ENGISSOL (Paid).
SourceForge presents the FEMTA project. FEMTA is an open source application. SourceForge provides the world's largest selection of Open Source Software. Easy to use 3D truss analyzer using finite element methods.
Easy, efficient with great variety of capabilities, including linear and non linear analysis, automatically created analysis reports. Top software for structural analysis. It is considered top product for structural analysis of trusses and frames.