Specfe is a graphical front end program intended to aid the use of the 'spec' data acquisition software. It can display interactive graphs of scanned data and present a user-friendly graphical interface to several of the more common spec commands.
A library including the whole bunch of standard algorithms in graph optimization and drawing. On top of this, a GUI for manipulating and editing of graphs.
AGTK is a suite of software components for building tools for annotating linguistic signals,
time-series data which documents any kind of linguistic behavior (e.g. audio, video).
The internal data structures are based on annotation graphs.
PhyloGrapher is a program designed to visualize and study evolutionary relationships within families of homologous genes or proteins (elements). PhyloGrapher is a drawing tool that generates custom graphs for the given set of elements.