[[Delphius]]

Empezado por Casimiro Notevi

No hay que ser más papistas que el papa.
Insisto que es una tontería preocuparse por esas cosas, ¿acaso alguno de nosotros indica la licencia de cada uno de los componentes que ha usado en un programa? Estoy seguro de que la respuesta es no, en el 100% de los casos.
Ahora bien, si estamos hablando de un software que va a ser usado por millones de personas por todo el mundo, ahí sí hay que tener cuidado con la licencia a emplear. Lo demás es preocuparse por nada.

Hubic

hubiC uses the following third party libraries:

AlphaFS
Copyright (c) 2008-2012 Peter Palotas, Alexandr Normuradov
http://alphafs.codeplex.com/

Json.NET
Copyright (c) 2007 James Newton-King
http://james.newtonking.com/projects/json-net.aspx

PetaPoco
Copyright (c) 2011 Topten Software
http://www.toptensoftware.com/petapoco

Reactive Extensions
Copyright (c) Microsoft Open Technologies, Inc.
https://rx.codeplex.com/

SQLite 3
http://sqlite.org

Avast
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Firefox

Binaries of this product have been made available to you by the Mozilla Project under the Mozilla Public License 2.0 (MPL). Know your rights.
All of the source code to this product is available under licenses which are both free and open source. A URL identifying the specific source code used to create this copy can be found on the build configuration page, and you can read instructions on how to download and build the code for yourself.
More specifically, most of the source code is available under the Mozilla Public License 2.0 (MPL). The MPL has a FAQ to help you understand it. The remainder of the software which is not under the MPL is available under one of a variety of other free and open source licenses. Those that require reproduction of the license text in the distribution are given below. (Note: your copy of this product may not contain code covered by one or more of the licenses listed here, depending on the exact product and version you choose.)

• Mozilla Public License 2.0
• GNU Lesser General Public License 2.1
• GNU Lesser General Public License 3.0
• GNU General Public License 3.0
• ACE License
• acorn License
• Adobe CMap License
• Android Open Source License
• ANGLE License
• Apache License 2.0
• Apple License
• Apple/Mozilla NPRuntime License
• ARM License
• Backbone License
• bspatch License
• Cairo Component Licenses
• Chromium License
• classnames License
• CodeMirror License
• cubic-bezier License
• D3 License
• Dagre-D3 License
• dtoa License
• Dutch Spellchecking Dictionary License
• EmojiOne License
• Estonian Spellchecking Dictionary License
• Expat License
• Firebug License
• gfxFontList License
• Google BSD License
• Google Gears License
• Google Gears/iStumbler License
• Google VP8 License
• gyp License
• halloc License
• HarfBuzz License
• ICU License
• Immutable.js License
• Japan Network Information Center License
• jemalloc License
• jQuery License
• k_exp License
• Khronos group License
• Kiss FFT License
• libcubeb License
• libevent License
• libffi License
• libjingle License
• libnestegg License
• libsoundtouch License
• libyuv License
• Lithuanian Spellchecking Dictionary License
• Lodash License
• MIT license — microformat-shiv
• MySpell License
• nICEr License
• nrappkit License
• OpenAES License
• OpenTok License
• OpenVision License
• pbkdf2_sha256 License
• praton License
• qcms License
• QR Code Generator License
• React License
• React-Redux License
• Red Hat xdg_user_dir_lookup License
• Redux License
• Russian Spellchecking Dictionary License
• SCTP Licenses
• Simple React Slideshow License
• Skia License
• Snappy License
• SunSoft License
• SuperFastHash License
• Unicode License
• University of California License
• URL Validation Regexp License
• US English Spellchecking Dictionary Licenses
• V8 License
• VTune License
• WebRTC License
• x264 License
• Xiph.org Foundation License

• Other Required Notices
• Optional Notices
• Proprietary Operating System Components

Y más abajo están incluídas sus respectivos textos de cada licencia.

Solo por mencionar algunos ejemplos.