Effectivewebapp offers an effective structure analysis software for engineers.

Easy to use:
Design truss and frame 2D structure very easy with unlimited supports, sections,beams and loads to define

Effective:
Calculate and get all diagrams and equations of efforts and displacements for each beam in the structure and a lot more...

Free:
Save all your work online to your free account so no download required and you can access to all your projects anytime from any devices

Enjoy!!!