LibreNMS is a fork of the last GPL-licensed revision of Observium.
  http://observium.org/
  Copyright 2006-2012 Adam Armstrong <adama@memetic.org>.
  GPLv3

LibreNMS ships with the following software components:

- Bootstrap Datetime picker
  https://github.com/Eonasdan/bootstrap-datetimepicker
  Copyright (c) 2014 Eonasdan, nikoskalogridis
  MIT License

- Moment
  http://momentjs.com
  MIT License

- MKTree
  http://www.javascripttoolbox.com/lib/mktree/
  MIT and GPL License

- Jquery Bootgrid
  http://www.jquery-bootgrid.com/
  MIT License

- Font Awesome
  http://fontawesome.io/
  Varying licenses but GPL friendly

- Code for UBNT Devices
  Mark Gibbons <mgibbons@oemcomp.com>
  Initial code base submited via PR721

Other components (needs details filled in):
- JpGraph (html/includes/jpgraph): QPL 1.0 license

- MIBS (mibs): unknown/various

- html/graph-realtime.php: BSD (original?)

- html/includes/collectd/: GPLv2 only

- overLIB (html/js/overlib_mini.js): modified Artistic 1.0?

- scripts/*/mysql: GPLv2 only

- check_mk (scripts/observium_agent*): GPLv2

- qTip (html/css/jquery.qtip.min.css and html/js/qtip/jquery.qtip.min.js): GPLv2