Open Chord is released under GNU General Public License. A copy of it is contained in the archives in a file named license.txt. A copy of the license can be found at http://www.gnu.org/copyleft/gpl.html. Requirements: - Java 1.5 - Log4j (http://logging.apache.org) required in order to compile Open Chord from sources. - Ant (recommended, http://ant.apache.org) to compile Open Chord. Available files: open-chord_1.x.x.zip: Contains the complete Open Chord version 1.x.x with src, documentation, and compiled files. Installation: Just unzip the desired zip file to any directory. In that directory you will find the Open Chord directory structure. The manual of Open Chord is located in directory docs/manual as pdf file. To compile/use Open Chord follow the instructions in that manual.