Hyve: Interesting isomorphic layout
There are a number of interesting things about Hyve, but I mention it here because, like Deluge's keyboard mode, it provides an interesting isomorphic layout (in its top half).
This gets me thinking about possible future customizability of Deluge's keyboard. Of course the hexagonal layout of Hyve lends itself especially well to its note layout. One thing they may have in common is being maybe too compact for playing comfort.