Some projects, especially high profile ones, do have US companies behind them (e.g. Google, etc) so you could claim they are US-centric, but at this point it becomes a question of why you are looking for an EU alternative. If it is to help EU businesses (like others mentioned), then unless you financially support these US companies (either directly or indirectly via, e.g., your data) it doesn't matter if the FLOSS project you are using is made by them or not.