What I'd really like is an open-source program with equivalent capabilities to those of SolidWorks 2005. It was sufficient for our needs then and would be suffi

What I'd really like is an open-source program with equivalent capabilities to those of SolidWorks 2005. It was sufficient for our needs then and would be sufficient for our needs now, had licenses not expired. Browser-based apps tend to disappear or change, and we need to reference/alter drawings and assemblies on decadal timescales.