The best free alternative to RM Bridge is SkyCiv Structural 3D. If that doesn't suit you, our users have ranked more than 50 alternatives to RM Bridge and ten of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to RM Bridge are SkyCiv (Freemium), Analysis for Windows (Freemium), Estru3D (Free, Open Source) and sas-civil (Free, Open Source).
SkyCiv Structural 3D is a powerful structural analysis and design software on the cloud. Nothing to install or download and users can subscribe on a month-to-month basis so there's no life long commitment. It's also free to get started.
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.
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.
Spreadsheet Template for Structural Engineering (FEA Analysis for beams, trusses, 2D-frames). It makes possible to create your own parametric models.Templates for engineering calculation (fatigue, concrete plates, etc)