Off on a Tangent incorporates or uses the third-party software, libraries, components, fonts, icons, images, and tools listed on this page. I am indebted to the authors and contributors who created them.
If you believe that appropriate attribution has not been made here or elsewhere on the site, or if you have questions about compliance with license terms, please contact me.
Tangent
- Tangent Plugin
CMS platform integration and advanced features for Off on a Tangent
Copyright © 1995-2024, Scott Bradford CE (All Rights Reserved) - Tangent Theme
CMS platform theme, including design and layout, for Off on a Tangent
Copyright © 1995-2024, Scott Bradford CE (All Rights Reserved)
Libraries
- Bootstrap
Front-end design framework and toolkit
Copyright © 2011-2024, Bootstrap Authors (License: MIT) - Bootstrap Icons
Icons and utility images
Copyright © 2019-2024, Bootstrap Authors (License: MIT) - jQuery
JavaScript utility library
Copyright © 2006-2024, OpenJS Foundation & contributors (License: MIT) - js-cookie
Cookie management library
Copyright © 2018-2024, Klaus Hartl, Fagner Brack, & contributors (License: MIT) - jsVectorMap
Mapping system with U.S. and world maps
Copyright © 2020-2024, Mustafa Omar (License: MIT) - Lightbox2
Lightbox and gallery framework
Copyright © 2015, Lokesh Dhakar (License: MIT) - MaxMind GeoLite2
Geolocation database
Copyright © 2024, MaxMind Inc. (License: GeoLite2 EULA) - Mousetrap
Keyboard shortcut framework
Copyright © 2012-2020, Craig Campbell (License: Apache 2.0) - PHP MoonPhase by Samir Shah and Tobias Köngeter
Moon phase calculations
Copyright © 2012-2024, Bit&Black (License: MIT) - Popper
Tooltip and popover positioning library
Copyright © 2019-2024, Federico Zivolo (License: MIT)
Fonts
- Lato by Łukasz Dziedzic, Adam Twardoch, and Botio Nikoltchev
Primary font
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
Copyright © 2016, Nunito Project Authors (License: SIL OFL 1.1)
Platform
- An open-source publishing platform
Content management system (CMS) and core frameworks
Copyright © 2003-2024, contributors (License: GPL 2.0)- Partial list of plugins (License: GPL 2.0):
- Ads.txt Manager by 10up
- Broken Link Checker by WPMU DEV
- Geolocation IP Detection by Yellow Tree
- WPCode Lite by WPCode
- Search Exclude by QuadLayers
- VigilanTor by Drew Phillips
- W3 Total Cache by BoldGrid
- Yoast SEO by Yoast BV
- Partial list of plugins (License: GPL 2.0):
Servers
- Apache HTTP Server (httpd)
HTTP web server
Copyright © 1995-2024, Apache Software Foundation (License: Apache 2.0) - MariaDB Server
Relational database system (on some servers)
Copyright © 2008-2024, MariaDB Foundation & contributors (License: GPL 2.0) - MySQL Server
Relational database system (on some servers)
Copyright © 2000-2024, Oracle & affiliates (License: GPL 2.0) - PHP Hypertext Preprocessor
Server-side scripting language
Copyright © 1995-2024, 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 (July) by PublicDomainPictures
Header for "Politics" section
(License: Pixabay) - American Flag (USA) by Angelique Johnson
Header for "Election" section (when active)
(License: Pixabay) - Saint Peter’s Basilica by Volker Glätsch
Header for "Faith" section
(License: Pixabay) - Sistine Chapel by Oliver Lechner
Header for "Papal Election" section (when active)
(License: Pixabay) - U.S. Dec. of Independence (repro.) by William Stone
Header for "Liberty" section
(Public Domain)
Theme Images
- Creative Commons Icons
Copyright badge in footer
(License: CC BY 4.0) - Gadsden Flag (Reproduction) by Christopher Gadsden, Lexicon, and Vikrum
"Don't Tread on Me" badge in footer
(License: CC BY-SA 2.0)
Holiday Images
- ‘Vote’ Political Button
Election Day
(License: Microsoft) - 13th Amendment
Emancipation Day
(Public Domain) - 1968 Republican Convention
Election Day
(Public Domain) - 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 by jplenio
Day After Thanksgiving
(License: Pixabay) - Bright Yellow Fireworks . . .
Chinese New Year
(License: Microsoft) - Champagne Cheers
New Year's Day
(License: Microsoft) - Christ at the Cross by Bronzino
Friday of the Passion of the Lord
(Public Domain) - Church Candles by S. Hermann & F. Richter
Christmas Day
(License: Pixabay) - Close-Up of the U.S. Flag
Flag Day
(License: Microsoft) - Confirmation by Nicolas Poussin
My Confirmation Day
(Public Domain) - Constitution of May 3, 1791 by Jan Matejko
Polish Constitution Day
(Public Domain) - Corpus Christi Procession by Carl Emil Doepler
Solemnity of the Most Holy Body and Blood of Christ
(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 by Nick
New Year's Eve
(License: Pixabay) - George Washington by Gilbert Stuart
Washington’s Birthday
(Public Domain) - Ghent Altarpiece by Hubert van Eyck
Solemnity of Our Lord Jesus Christ, King of the Universe
(Public Domain) - Half Mast Flag at U.S. Consulate by Juliette Kober
Special Observances with Flags at Half-Staff
(License: Pixabay) - Holy Trinity by Peter Paul Rubens
Solemnity of the Most Holy Trinity
(Public Domain) - Immaculate Conception by Juan Antonio de Frías y Escalante
Solemnity of the Immaculate Conception of Mary
(Public Domain) - Iwo Jima Veterans by Lance Cpl. 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 Celebration by Grace Murray Stephenson
Juneteenth National Independence Day
(Public Domain) - Labor Day Parade
Labor Day
(Public Domain) - Landing of Columbus by John Vanderlyn
Columbus Day
(Public Domain) - Law Enforcement by Igor Ovsyannykov
Peace Officers Memorial Day
(License: Pixabay) - Leif Erikson Discovers America by Hans Dahl
Holiday image for Leif Erikson Day
(Public Domain) - Lit Colorful Striped Birthday Candles
My Birthday
(License: Microsoft) - Martin Luther King Jr.
Birthday of Martin Luther King Jr.
(Public Domain) - Maximilian Kolbe
Memorial of Saint Maximilian Kolbe
(Public Domain) - Mooncake Mini Pastry by Cedric Yong
Chinese Mid-Autumn Festival
(License: Pixabay) - Palm Sunday in Moscow by Vyacheslav Schwarz
Palm Sunday of the Passion of the Lord
(Public Domain) - Pentecost by Jean II Restout
Solemnity of Pentecost
(Public Domain) - Powhatan’s Mantle
Indigenous Peoples’ Day
(Public Domain) - Prayer Hands Church Light Religion by Himsan
National Day of Prayer
(License: Pixabay) - 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 Seville 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 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) - Simon the Apostle
Feast of Saints Simon and Jude
(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 (1712) by Paolo de Matteis
First Sunday of Advent
(Public Domain) - The Annunciation (ca. 1650) by Bartolomé Esteban Murillo
Solemnity of the Annunciation of the Lord
(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
Bill of Rights Day
(Public Domain) - The First Thanksgiving by Jean Leon Gerome Ferris
Thanksgiving Day
(Public Domain) - The Forerunners of Christ 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) - Thomas Jefferson by Rembrandt Peale
Thomas Jefferson’s Birthday
(Public Domain) - Tomb of the Unknown Soldiers by Sgt. Erica Vinyard
Memorial Day
(Public Domain) - U.S. Constitution
Constitution Day and Citizenship Day
(Public Domain) - U.S. Dec. of Independence (repro.) by William Stone
Independence Day
(Public Domain) - U.S. Presidential Flag
Presidents Day
(Public Domain) - USS Arizona Burning
National Pearl Harbor Remembrance Day
(Public Domain) - Venerable Carlo Acutis
Memorial of Blessed Carlo Acutis
(Used By Permission) - Virgin of Guadalupe
Feast of Our Lady of Guadalupe
(Public Domain) - Wedding Photo by David Greedy
My Anniversary
(Used By Permission) - World Trade Center Cross by Andreas Meck
Patriot Day
(Public Domain)