PlenFrem

2D Frame and Truss Analysis Software

Simple and straight forward to use.There is no limit on number of nodes or members. Gives you step by step output, showing stiffness matrix for each member, global stiffness matrix, DOF matrix, displacement and support reactions. Runs on Windows 7/8/10/11.

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Requires .NET framework 4.7 or higher

Free, Simple, Open

Portable software. Single EXE file.
Shows all intermediate steps.
No unnecessary, complicated features.
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PlenFrem is FREE to use!

Save thousands over commercial software! Ideal for occasional users and students. No limits or feature restrictions.
PlenFrem

Import/Export

Use intuitive interface to prepare your models. Import model from DXF. Copy output to Excel.
Graphic illustration of Office documents

Accurate analysis results

Benchmarked with 2 commercial structural analysis software
configure

Shows member forces

Displacements, forces, moments for frames and axial forces for trusses.

Main Features

desk
Designed for productivity
drawer
Easy data entry for structures
detailed output
Detailed output to spreadsheet
engineers
For engineers, by engineers
precision
high precision
document search
Checks model before solving