Simplifier : (Re)discovering lower-tech ways of manufacturing key electrical and electronic building-blocks
Open Source Ecology, with the tag-line, “Open Source Blueprints for Civilization. Build Yourself”. Included here for their open-source Global Village Construction Set and their corresponding Wiki, over at wiki.opensourceecology.org. Also of interest is the way in which they track the dependencies and enablers of the various key products — see, e.g., this or this.
Surivial and Preparedness : A combination wiki / forum / article site focused on the themes of survival, prepping, outdoor skills and DIY. In German, yet to be properly assessed for 'political leanings'.
Analysis and Developments Watch
Just Collapse : advocates for a Planned Collapse to avert the worst outcomes that will follow an otherwise unplanned, reactive collapse; recognises that there will be no justice in an unplanned collapse
Let's Talk Collapse : an introduction to the notion of the collapse of civilisation that attempts to outline the most relevant researchers, resources, and media surrounding the subject
Resilience : Building a world of resilient communities