Open Source Ecology Germany
5.0 a-mach à 5 rionnagan (stèidhichte air 1 lèirmheas)
Open Source Ecology (OSE) Germany is an open movement that builds an open source economy that optimizes both production and distribution, while promoting environmental regeneration and social justice.
They do provide trade-free blueprints for all kinds of different machines/units. I’d give them 5/5 because you don’t have to trade your data, attention or currency to have access to these blueprints and documentation. However the website is in german, so I want to mention that.