  ZEBRA, the Zurich Extragalactic Bayesian Redshift Analyzer, is a tool for
estimating redshifts and template types of galaxies using medium- and
broad-band photometric data. ZEBRA employs novel techniques within the
template-fitting approach to produce high-quality Maximum-Likelihood and
Bayesian redshift estimates.
  This manuscript serves as a user guide to ZEBRA. It explains how to use
ZEBRA, specifies input and output formats, and gives a short account of the
available options. ZEBRA is a free and open-source software distributed under
the GNU Public License 3 and available at
http://www.exp-astro.phys.ethz.ch/ZEBRA .
  Several upgrades are currently being implemented in ZEBRA. An updated
documentation will be provided at each new release. Any problems, comments and
suggestions on the code and the manual should be sent via e-mail to
<EMAIL_ADDRESS>