You can choose from 3D frame analysis with links to CADS RC or 2D analysis with friendly calpad software which includes hundreds of calculation templates.
2D Frame Analysis
SMART Engineer
Friendly calculation pad, "calcpad", software for Engineers. Design for all popular materials: steel, concrete, masonry, timber, composite beams. Features hundreds of structural calculations and other calculation templates.
3D Frame Analysis
A3D MAX
2D/3D elastic/plastic/P-Delta frame analysis with integrated BS5950/EC3 and BS8110/EC2 design with links to AutoCAD and CADS RC.