I'm building a new project using Seam 3. I don't understand what the difference is between Weld archetype and Seam Forge. Both of them help us to build a simple project template to start with.
2 Answers
Seam Forge is a tool similar to seam-gen from Seam 2. Seam Forge is a console where you can setup and generate your project, you can choose a version of libraries, JPA implementation etc you can create classes, add fields to them, create CRUD and many more
weld archetype is a 'simple application' (configuration) with pom, configuration files and example classes ready to develop your application
I think Seam Forge is stronger tool and have many features helping rapidly develop your application.

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In the long run, Forge will be useful for incremental enhancement of your project using extra plugins, like so: https://docs.jboss.org/author/display/FORGE/Installing+new+Plugins
This basically lets you extend your project with anything that can be imagined!

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