I'm not talking about building it from scratch.I thought this was clear by the examples I mentioned? Why reinvent the wheel? I'm looking for an open source Web

I'm not talking about building it from scratch.I thought this was clear by the examples I mentioned? Why reinvent the wheel? I'm looking for an open source Web shop app, not a tutorial "how to add a cart to your web page". My one and only requirement is that it supports language switching.