A production version of Wingframe requires a license agreement. Please contact Wingframe at: firstname.lastname@example.org or +46 709 77 56 44
You may sign up for free. But unless you were invited to a project you will not have access to any features. Once invited, you are free to collaborate in projects on the terms set by the owner.
You may request a trial and try Wingframe with full features for a limited time. Simply contact us via email, let us know who you are and we'll help you get started.