DocumentationBefore you begin and for when you get stuck there is always the documentation. For new users to OpenSees, have a look at the primers to get yourselves more familiar with the overall design.
DownloadDownload a precompiled binary from the latest build.
ExamplesHere are some simple and some not-so-simple examples to get you started.
ToolsDownload accessory programs which are available for OpenSees.
Message boardTo talk to other users who may be able to assist you with problems leave a message on our users message board. We encourage all users to visit the message board often to see what others are working on and to assist others who may be having problems.
BugsShould any bugs get passed our strict testing procedures!, we would encourage anybody who finds one to report it following the procedures outlined for Bugs.