Universität Mannheim
Fakultät für Sozialwissenschaften
 
J. H. Lambert: Farbenpyramide (1772)

Professur für
Allgemeine Psychologie

Prof. Dr. Hans Irtel

Free Software

 
 

Free Software

 
This page lists some free software projects. It shows that most of the tasks which are required for psychological research can be done with free software.
 
 

Text Processing, Presentation, and Publication

 

OpenOffice.org
is a multiplatform and multilingual office suite and an open-source project. Compatible with all other major office suites, the product is free to download, use, and distribute.

MiKTeX
is an up-to-date TeX implementation for the Windows operating system. TeX is a typesetting system written by Donald E. Knuth, who says that it is "intended for the creation of beautiful books - and especially for books that contain a lot of mathematics". MiKTeX offers a complete set of utilities, macro packages and fonts.
 
 

Graphics

 

GIMP
is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.

Sodipodi
is a vector-based drawing program. It is free software, distributed under the terms of the Gnu General Public License. Sodipodi uses W3C SVG as its native file format. It is therefore a very useful tool for web designers. It has a relatively modern display engine, giving you finely antialiased display, alpha transparencies, vector fonts and so on. Sodipodi works under most versions of Unix and Windows.[Installation Help]

gnuplot
is a portable command-line driven interactive data and function plotting utility for many platforms. The software is copyrighted but freely distributed (i.e., you don't have to pay for it). It was originally intended as to allow scientists and students to visualize mathematical functions and data. Gnuplot supports many types of plots in either 2D and 3D. It can draw using lines, points, boxes, contours, vector fields, surfaces, and various associated text. It also supports various specialized plot types.
 
 

Statistical Analysis

 

|STAT
is a set of about 30 data manipulation and analysis programs developed by Gary Perlman at the University of California, San Diego and at the Wang Institute. The manipulation programs are general utilities that work with other standard programs like sort. The analysis programs compute most widely used statistics.

CLEAVE
is an open source data analysis utility which can be run on many kinds of hardware. It is a command-line program which computes standard Analysis of Variance F-tests for large data sets and does so rather quickly. But it also computes more than just "F" and "p".

R
is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of platforms.
 
 

Running Experiments

 

PXLab
is a collection of Java classes and applications for running psychological experiments. The PXLab system allows interactive design of a wide range of experiments from all areas of psychological research. It includes a run time control system which runs experiments under highly optimized timing constraints.

Note: Text quotes are copied from the respective WWW-pages.


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