ggforce

Split facet_grid over multiple plots

Facet by different data columns

One-dimensional facets

Create a stereogram plot

Split facet_wrap over multiple plots

Facet data for zoom with context

Tidy data for use with geom_parallel_sets

Arcs based on radius and radians

Arcs and wedges as polygons

A distribution geoms that fills the panel and works with discrete and continuous data

A point geom specialised for scatterplot matrices

Create quadratic or cubic bezier curves

B-splines based on control points

Create closed b-spline shapes

Circles based on center and radius

Voronoi tesselation and delaunay triangulation

Draw horizontal diagonals

Draw an area defined by an upper and lower diagonal

Draw (super)ellipses based on the coordinate system scale

Link points with paths

Annotate areas with circles

Annotate areas with ellipses

Annotate areas with hulls

Annotate areas with rectangles

Create Parallel Sets diagrams

Draw regular polygons by specifying number of sides

Draw polygons with expansion/contraction and/or rounded corners

Sina plot

Draw spirograms based on the radii of the different "wheels" involved

ggforce extensions to ggplot2

ggforce: Accelerating 'ggplot2'

Interpolate layer data

Create a custom linear transformation

Determine the number of pages in a paginated facet plot

Jitter based on scale types

Jitter points with normally distributed random noise

Create a power transformation object

Create radial data in a cartesian coordinate system

Scales for depth perception

Position scales for units data

Theme without axes and gridlines

Reverse a transformation