HELM is both a notation, and a set of tools and applications that implement the notation. The tools are available as open source software released under the permissive MIT licence.

As an open source project we have limited resources, so the documentation is not as extensive as commercial software, but this site is designed to let you see what we have.

External user created resources

 We are always interested in hearing from individuals and groups interested in HELM, so please get in touch via info@OpenHELM.org.