Because of the convenience of making a layer, there are a huge number of layers to use. To make all those available layers easier to access, the OpenEmbedded community has developed an index where most of them can be found.
Let’s say we just ordered a Raspberry Pi 3 board; we can use the link to https://layers.openembedded.org and search for it in the Machines tab, as shown in the following screenshot:
Another very handy use case for the tools is to search for a specific software type or a recipe. It can save the day! We can see some commonly used layers in the following screenshot: