GTL is a graph library based on STL.  For the design of GTL's API the
API of LEDA has served as a basis.  GTL contains the classes needed to
work with graphs, nodes and edges and some basic algorithms (DFS, BFS,
topsort ...) as building blocks for more complex graph algorithms.

Homepage:
http://www.infosun.fim.uni-passau.de/GTL/
