The ESO-MIDAS(tm) system provides general tools for image processing and data
reduction with emphasis on astronomical applications including imaging and
special reduction packages for ESO instrumentation at La Silla and the VLT at
Paranal. In addition it contains applications packages for stellar and surface
photometry, image sharpening and decomposition, statistics and various others.

GNU Data Language

A free IDL (Interactive Data Language) compatible incremental compiler
(ie. runs IDL programs). IDL is a registered trademark of Research
Systems Inc.

collectd is a daemon (written in C) that reads various system
statistics and updates RRD files. Statistics are very fine grained
with an update interval of 10 seconds.