Have just found https://www.globalsign.com/ssl/ssl-open-source/ ,
states to provides certificates (including wildcard ones) for
free if your project complies to:
- Must be licensed with a license approved by the Open Source
Initiative
- Project must be actively maintained
- Order must meet all vetting requirements
- Follow industry best practices in configuring your SSL and get
an "A" when tested with the SSL Checker
- Agree to the standard Subscriber Agreement
- Not be a site that is also used for commercial purposes
Have anyone tried it? Might be of interest for some D projects.