ffmanova is an R package implementing Øyvind Langsrud's Fifty-fifty MANOVA, described in for instance

Langsrud, Ø. (2002) 50-50 Multivariate Analysis of Variance for Collinear Responses; The Statistician 51, 305—317.

The package is written by Øyvind Langsrud and Bjørn-Helge Mevik, and started as a port of Øyvind's Matlab implementation. Suggestions, bug reports and other comments are very welcome. Please use the github issue page.

The latest version of the package is available on CRAN (direct link).