So there are many fingering charts out there for people to use as references. You can see some examples if you click here. Most of them are simple charts with the fingerings marked, which although it's helpful, it's not interactive and certainly isn't as fun as one of the finger trainer sites. Here is what most fingering charts look like.
As you can see from the chart, it is pretty basic and does offer some alternate fingerings, however, it isn't an effective tool for students to be able to test themselves.