# Foreword {-}

[*synapter*](http://bioconductor.org/packages/synapter) is free and
open-source software.
If you use it, please support the project by citing it in publications:

> Nicholas James Bond, Pavel Vyacheslavovich Shliaha, Kathryn S. Lilley, and
> Laurent Gatto. *Improving qualitative and quantitative performance for
> MS$^E$-based label free proteomics.*
> J. Proteome Res., 2013, 12 (6), pp 2340–2353
