BORIS is an easy-to-use event logging software for video/audio coding or live observations.

BORIS is a free and open-source software available for GNU/Linux, Windows and macOS.

It provides also some analysis tools like time budget and some plotting functions.

The BORIS paper has more than 2491 citations in peer-reviewed scientific publications.

See the official BORIS web site.

The user guide provides a good starting point for learning how to use BORIS.

Some video tutorials are available.

To search for bugs, report them or request a feature, please use the GitHub issues tracker

Please acknowledge and cite the use of this software and its authors when results are used in publications or published elsewhere. You can use the following BibTex entry

@article {MEE3:MEE312584,
    author = {Friard, Olivier and Gamba, Marco},
   title = {BORIS: a free, versatile open-source event-logging software for video/audio coding and live observations},
   journal = {Methods in Ecology and Evolution},
   issn = {2041-210X},
   url = {http://dx.doi.org/10.1111/2041-210X.12584},
   doi = {10.1111/2041-210X.12584},
   pages = {1324--1330},
    year = {2016},
}

You can also send us a nice postcard! See the user testimonials.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

Distributed with a GPL v.3 license.

Copyright (C) 2012-2025 Olivier Friard