Node stencil's labels are too truncated. Its hard to see quickly what is what.
Edge stencils didn't have labels at all. We should add it. arrow's labels should be in Russian.
Stencil panel problems
Stencils panel's titles should be in Russian.
Maybe move node stencils to "Stencils' and drop "Components" to make it more compact.
More compact (too much height) node stencils panel (Component panel).
Node stencils are layouted in a giant row and truncated (see pict. below). We need some sort of panel layout (like "2 in a row' grid) and "line break" to the next row.
Edge stencils panel's background should be the same as in Node stencils panel.
Stencils problems
Stencil panel problems