Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. Supports clusters up to 2000 nodes in size.
The basic goal of this system is to be able to connect two lines ADSL under linux and to obtain a speed product of the sum of the two lines.
WMO (World Meteorological Organisation) message switch. Initially developed by the Norwegian Meteorological Institute, permission was given to release the system, currently running in production, under the GPL. It handles routing and message preparation,