Licensed logos:

MIT license logo by ExcaliburZero under CC-BY 3.0 from https://excaliburzero.deviantart.com/art/MIT-License-Logo-595847140

Apache logos by the Apache software foundation from https://www.apache.org/foundation/press/kit/

EUPL 1.2 logo by © European Union, 1995-2017 from https://ec.europa.eu/isa2/solutions/european-union-public-licence-eupl_en, license here: https://ec.europa.eu/info/legal-notice_en

Mozilla Foundation logo by Mozilla under CC-BY 3.0 from https://commons.wikimedia.org/wiki/File:Mozilla_Foundation_logo.svg

GPL/LGPL/AGPL v3 logos by Copyright © 2007, 2008, 2011, 2013, 2014 Free Software Foundation, Inc. from https://www.gnu.org/graphics/license-logos.html
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Logos in Public domain:

BSD license logo from https://commons.wikimedia.org/wiki/File:License_icon-bsd-88x31.svg

LGPL 2.1 logo from https://commons.wikimedia.org/wiki/File:License_icon-lgpl-88x31.svg

GPL 2.0 logo from https://commons.wikimedia.org/wiki/File:License_icon-gpl-88x31-2.svg