Images and other copyrighted material in posts are credited where they appear (when appropriate or required). Paid products and services are not attributed unless required by their license terms.
This page provides appropriate attribution for the free technologies upon which this website is built, and the free components, tools, fonts, icons, and images that are incorporated into the development or operation of the Off on a Tangent custom WordPress theme and plugin.
I am indebted to all of the authors and contributors whose creations play a part in this website.
If you believe that appropriate attribution has not been made here or elsewhere on the site, please contact me. I intend to give credit wherever it is due and I apologize if I have missed anything.
Tangent
- Tangent Plugin
WordPress integration and advanced features for Off on a Tangent
Copyright © 1995-2023, Scott Bradford CE (All Rights Reserved) - Tangent Theme
WordPress theme, including design and layout, for Off on a Tangent
Copyright © 1995-2023, Scott Bradford CE (All Rights Reserved)- Incorporates Underscores (_s)
WordPress "starter theme" and framework
Copyright © 2012-2023, Automattic, Inc (License: GNU GPL 2.0)
- Incorporates Underscores (_s)
Libraries
- Bootstrap
Front-end design framework and toolkit
Copyright © 2011-2023, Bootstrap Authors (License: MIT) - Bootstrap Icons
Icons and other utility images
Copyright © 2019-2023, Bootstrap Authors (License: MIT) - Bootstrap Navbar Dropdowns
Menubar navigation enhancements
Copyright © 2014-2020, Guilherme Fontenele (License: MIT) - jQuery
JavaScript utility library
Copyright © 2006-2023, OpenJS Foundation & contributors (License: MIT) - js-dos
Special compatibility system
Copyright 2019-2023, Alexander Guryanov & contributors (License: GNU GPL 2.0) - jsVectorMap
Mapping system including U.S. and world maps
Copyright © 2020-2023, Mustafa Omar (License: MIT) - Lightbox2
Lightbox and gallery framework
Copyright © 2015, Lokesh Dhakar (License: MIT) - MaxMind GeoLite2
Geolocation database (for jurisdiction notices)
Copyright © 2023, MaxMind Inc. (License: GeoLite2 EULA) - Mousetrap
Keyboard shortcut framework
Copyright © 2012-2020, Craig Campbell (License: Apache 2.0) - PHP MoonPhase
Calculate the moon phase (for determining lunar-based holidays)
Copyright © 2012-2023, Samir Shah, Tobias Köngeter, & contributors (License: MIT) - Popper
Tooltip and popover positioning engine
Copyright © 2019-2023, Federico Zivolo (License: MIT)
Fonts
- Lato by Łukasz Dziedzic, Adam Twardoch, and Botio Nikoltchev
Primary font (most text content)
Copyright © 2010-2018, Łukasz Dziedzic (License: SIL OFL 1.1) - Nunito Sans by Vernon Adams, Jacques Le Bailly, Manvel Shmavonyan, and Alexei Vanyashin
Secondary font (logo, headers, etc.)
Copyright © 2016, Nunito Project Authors (License: SIL OFL 1.1)
Platform
- WordPress
Platform and content management system
Copyright © 2011-2023, WordPress.org & contributors (License: GPL 2.0)- Plugins in use (License: GPL 2.0):
- Akismet Anti-spam: Spam Protection by Automattic - Anti-spam Team
- Broken Link Checker by WPMU DEV
- Disable Comments by WPDeveloper
- Geolocation IP Detection by Yellow Tree (Benjamin Pick)
- Site Kit by Google
- WPCode Lite by WPCode
- Jetpack by Automattic
- Search Exclude by QuadLayers
- VigilanTor by Drew Phillips
- W3 Total Cache by BoldGrid
- Yoast SEO by Team Yoast
- Plugins in use (License: GPL 2.0):
Servers
- Apache HTTP Server (httpd)
HTTP web server
Copyright © 1995-2023, Apache Software Foundation (License: Apache 2.0) - MariaDB Server
Relational database system (on some servers)
Copyright © 2008-2023, MariaDB Foundation & contributors (License: GPL 2.0) - MySQL Server
Relational database system (on some servers)
Copyright © 2000-2023, Oracle & affiliates (License: GPL 2.0) - PHP Hypertext Preprocessor
Server-side scripting language
Copyright © 1995-2023, PHP Group (License: PHP 3.01)
Optimization Tools
- CSS Optimizer (CSSO)
CSS optimizer and minifier
Copyright © 2011-2015, Sergey Kryzhanovsky
Copyright © 2015-2021, Roman Dvornov (License: MIT) - OptiPNG
PNG optimizer and compressor
Copyright © 2001-2017, Cosmin Truta & contributors (License: Zlib) - UglifyJS
JavaScript optimizer and minifier
Copyright © 2012-2022, Mihai Bazon & contributors (License: BSD 2-clause)
Section Images
- American Flag (1291945) by Angelique Johnson (oohhsnapp)
Header for "Election" section (when active)
(License: Pixabay License) - American Flag (16674) by PublicDomainPictures
Header for "Politics" section
(License: Pixabay License) - Saint Peter’s Basilica (4777353) by Volker Glätsch (Glavo)
Header for "Faith" section
(License: Pixabay License) - Sistine Chapel (3578074) by Oliver Lechner (Trimlack)
Header for "Papal Election" section (when active)
(License: Pixabay License) - U.S. Declaration of Independence (Reproduction) by William Stone
Header for "Liberty" section
(Public Domain)
Theme Images
- Creative Commons Icons
Copyright badge in the footer
(License: CC BY 4.0) - Gadsden Flag (Reproduction) by Christopher Gadsden, Lexicon, and Vikrum
"Don't Tread on Me" badge in the footer
(License: CC BY-SA 2.0)
Holiday Images
- ‘Vote’ Political Button by Microsoft Office Images
Election Day
(License: Microsoft Office 2008 for Mac SLA) - 13th Amendment to the United States Constitution by the National Archives of the United States
Emancipation Day
(Public Domain) - 1968 Republican National Convention by the Florida State Archives
Election Day
(Public Domain) - A Champagne Cheers! by Microsoft Office Images
New Year's Day
(License: Microsoft Office 2008 for Mac SLA) - Adoration of the Lamb by Jan van Eyck
Solemnity of Mary, the Holy Mother of God
(Public Domain) - Adoration of the Magi by Bartolomé Esteban Murillo
Solemnity of the Epiphany of the Lord
(Public Domain) - Ascension by John Singleton Copley
Solemnity of the Ascension of the Lord
(Public Domain) - Assumption of Mary by Titian
Solemnity of the Assumption of Mary
(Public Domain) - Autumn Avenue (3186876) by jplenio
Day After Thanksgiving
(License: Pixabay License) - Bright Yellow Fireworks in a Smoky Red Colored Sky by Microsoft Office Images
Chinese New Year
(License: Microsoft Office 2008 for Mac SLA) - Christ at the Cross by Bronzino
Friday of the Passion of the Lord
(Public Domain) - Church Candles (2628473) by S. Hermann & F. Richter (pixel2013)
Christmas Day
(License: Pixabay License) - Civil Rights March (Martin Luther King Jr.) by the National Archives of the United States
Birthday of Martin Luther King Jr.
(Public Domain) - Close-Up of the United States Flag by Microsoft Office Images
Flag Day
(License: Microsoft Office 2008 for Mac SLA) - Confirmation by Nicolas Poussin
My Confirmation Day
(Public Domain) - Constitution of May 3, 1791 by Jan Matejko
Polish Constitution Day
(Public Domain) - Cross of Ashes by Jennifer Balaska
Ash Wednesday
(Public Domain) - Father McGivney by John Tierney
Memorial of Blessed Michael J. McGivney
(Public Domain) - Fireworks New Years Eve (1953253) by Nick (nck_gsl)
New Year's Eve
(License: Pixabay License) - Flag of the President of the United States
Presidents Day
(Public Domain) - Foto del Venerabile Carlo Acutis
Memorial of Blessed Carlo Acutis
(Used By Permission) - Fronleichnamsprozession by Carl Emil Doepler
Solemnity of the Most Holy Body and Blood of Christ
(Public Domain) - Ghent Altarpiece by Hubert van Eyck
Solemnity of Our Lord Jesus Christ, King of the Universe
(Public Domain) - Half Mast Flag USA Consolate (7148529) by Juliette Kober (Scholie)
Special Observances with Flags at Half-Staff
(License: Pixabay License) - Holy Trinity by Peter Paul Rubens
Solemnity of the Most Holy Trinity
(Public Domain) - Inmaculada Concepción by Juan Antonio de Frías y Escalante
Solemnity of the Immaculate Conception of Mary
(Public Domain) - Iwo Jima Veterans by Lance Corporal Lisa M. Tourtelot
Veterans Day
(Public Domain) - Jesus at the Tomb by Vladimir Borovikovsky
Holy Saturday
(Public Domain) - John the Baptist in the Desert by Cristofano Allori
Solemnity of the Nativity of Saint John the Baptist
(Public Domain) - Juneteenth Emancipation Day Celebration by Charles Stephenson (Grace Murray)
Juneteenth National Independence Day
(Public Domain) - Labor Day Parade, Union Square, New York, 1882
Labor Day
(Public Domain) - Landing of Columbus by John Vanderlyn
Columbus Day
(Public Domain) - Law Enforcement (2893847) by Igor Ovsyannykov (igorovsyannykov)
Peace Officers Memorial Day
(License: Pixabay License) - Leif Erikson Discovers America by Hans Dahl
Holiday image for Leif Erikson Day
(Public Domain) - Lit Colorful Striped Birthday Candles by Microsoft Office Images
My Birthday
(License: Microsoft Office 2008 for Mac SLA) - Maximilian Kolbe
Memorial of Saint Maximilian Kolbe
(Public Domain) - Mooncake Mini Pastry (2439988) by Cedric Yong (ScribblingGeek)
Chinese Mid-Autumn Festival
(License: Pixabay License) - Navy Battleships at Pearl Harbor by the U.S. National Archives and Records Administration
National Pearl Harbor Remembrance Day
(Public Domain) - Official Portrait of Thomas Jefferson by Rembrandt Peale
Thomas Jefferson’s Birthday
(Public Domain) - Palm Sunday in Moscow by Vyacheslav Schwarz
Palm Sunday of the Passion of the Lord
(Public Domain) - Pentecôte by Jean II Restout
Solemnity of Pentecost
(Public Domain) - Portrait of George Washington by Gilbert Stuart
Washington’s Birthday
(Public Domain) - Powhatan’s Mantle
Indigenous Peoples’ Day
(Public Domain) - Prayer Hands Church Light Religion (2544994) by Himsan
National Day of Prayer
(License: Pixabay License) - Pro-Life Flag by the Pro-Life Flag Project
Day of Prayer for the Legal Protection of Unborn Children
(Used By Permission) - Resurrection of Christ by Noël Coypel
Solemnity of the Resurrection of the Lord
(Public Domain) - Sacred Heart of Jesus
Solemnity of the Most Sacred Heart of Jesus
(Public Domain) - Saint Elizabeth Ann Seton
Memorial of Saint Elizabeth Ann Seton
(Used By Permission) - Saint Isidor of Sevilla by Bartolomé Esteban Murillo
Memorial of Saint Isidore
(Public Domain) - Saint Joseph with the Infant Jesus by Guido Reni
Solemnity of Saint Joseph
(Public Domain) - Saint Paul and Saint Peter by El Greco
Solemnity of Saints Peter and Paul
(Public Domain) - Saint Simon by Peter Paul Rubens
Feast of Saints Simon and Jude
(Public Domain) - Saint Therese as a Novice
Memorial of Saint Therese of the Child Jesus
(Public Domain) - Saint Veronica with the Veil by Mattia Preti
Memorial of Saint Veronica
(Public Domain) - Sir Thomas More by Hans Holbein the Younger
Memorial of Saint Thomas More
(Public Domain) - Surrender of Lord Cornwallis by John Trumbull
Yorktown Day
(Public Domain) - The Adoration of the Shepherds by Gerard van Honthorst
Solemnity of the Nativity of the Lord
(Public Domain) - The Annunciation by Bartolomé Esteban Murillo
Solemnity of the Annunciation of the Lord
(Public Domain) - The Annunciation (Advent) by Paolo de Matteis
First Sunday of Advent
(Public Domain) - The Apostle Judas Thaddeus by Anthony van Dyck
Feast of Saints Simon and Jude
(Public Domain) - The Baptism of the Neophytes by Masaccio
My Baptism Day
(Public Domain) - The Bill of Rights by the U.S. National Archives and Records Administration
Bill of Rights Day
(Public Domain) - The First Thanksgiving by Jean Leon Gerome Ferris
Thanksgiving Day
(Public Domain) - The Forerunners of Christ with Saints and Martyrs by Fra Angelico
Solemnity of All Saints
(Public Domain) - The Last Supper by Leonardo da Vinci
Thursday of Holy Week
(Public Domain) - The Mayflower at Sea by A.S. Burbank
Mayflower Day
(Public Domain) - Tomb of the Unknown Soldiers by Sergeant Erica Vinyard
Memorial Day
(Public Domain) - U.S. Constitution by the U.S National Archives and Records Administration
Constitution Day and Citizenship Day
(Public Domain) - Virgen de Guadalupe
Feast of Our Lady of Guadalupe
(Public Domain) - World Trade Center Cross by Andreas Meck
Patriot Day
(Public Domain)