LICENSES

Our software contains multiple open source licenses.

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The following licenses are used:

• BSD
  Backend: anyjson, billiard, celery, django-celery-transactions, django-codemirror-widget, django-dirtyfields, django-filer, django-import-export, django-inlinecss, django-model-utils, django-pagedown, django-polymorphic, django-reversion, django-storages, django-uuidfield, Django, djangorestframework-xml, djangorestframework, kombu, python-slugify, raven
  Frontend: hawk, immutable, newforms, raven-js, react, react-dom, react-intl

• MIT
  Backend: boto, django-cors-headers, django-countries, django-ses, gevent, jsonfield, markdown2, openpyxl, pyparsing, pytz, redis, transitions, user-agents, xmltodict
  Frontend: babel-core, babel-loader, babel-polyfill, babel-preset-es2015, babel-preset-react, babel-preset-stage-1, blueimp-file-upload, bootstrap, bower, classnames, css-loader, easy-pie-chart, extract-text-webpack-plugin, file-loader, flot, fluxxor, fullcalendar, history, html-truncate, html-webpack-plugin, imagesloaded, imports-loader, intl, jade, jade-html-loader, jquery, marked, masonry-layout, matchMedia, modernizr, moment, node-sass, node-uuid,nuka-carousel, raw-loader, react-google-maps, react-hot-loader, react-router, sass-loader, script-loader, scroll-to-element, sessionstorage, slug, style-loader, superagent, url-loader, webpack, webpack-dev-server, webpack-path-rewriter

• Apache 2.0
  Backend: django-db-geventpool, requests, simple-salesforce
  Frontend: keymirror, react-tap-event-plugin

• LGPL
  Backend: amqp, psycopg2

• MPL 2.0
  Backend: hawkrest, mohawk

• Standard PIL License
  Backend: Pillow

• UNLICENSE
  Backend: django-sslify

• ZPL
  Backend: psycopg2

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GNU General Public License

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The license that accompanies the GNU software, also known as a "copyleft". The GNU General Public License gives everyone the right to use and modify the material as long as they make it available to everyone else with the same licensing agreement. The source code of components licensed under GPL used in snom VoIP phones can be downloaded from here. The original GPL license and various GNU tools and utilities can be downloaded here.

Open Source

Source code of a program, which is made available publicly. The idea behind open source is that a broader group of programmers will produce a more useful and bug-free code, as more people will be reviewing it. Open source also allows organizations to modify the product for its own use rather than hope that the vendor of a proprietary product will implement its suggestions in a subsequent release. Examples of popular open source programs are the Linux Operating System (GNU), the Apache Web Server and the Netscape Communicator. For more information, visit www.opensource.org.

GNU

The GNU Project was launched in 1984 to develop a free Unix-like operating system: the GNU system. GNU is a recursive acronym for "GNU's Not Unix", pronounced "guh-NEW". Variants of the GNU operating system, which use the kernel Linux, are now widely used; though these systems are often referred to as "Linux", they are more accurately called "GNU/Linux systems". For more information, visit www.gnu.org.