Frags is a fast implementation of FragBag in Go from Budowski-Tal, Nov and Kolodny's 2010 paper in PNAS. This implementation also includes experimental support for handling sequence fragments generated from structural fragment libraries.
This repository also contains several experiments.
http://godoc.org/github.com/TuftsBCB/frags
Once you have Go installed, just run
go get github.com/TuftsBCB/frags
to install the package.