Credits, Open-Source Notices & Trivia Sources

This page lists the open-licensed word lists, pluralization and runtime libraries, and trivia question sources used in PooDuo (https://pooduo.com).

LDNOOBW (List-of-Dirty-Naughty-Obscene-and-Otherwise-Bad-Words)
Author: Shutterstock, Inc. and contributors · Source: github.com/LDNOOBW/List-of-Dirty-Naughty-Obscene-and-Otherwise-Bad-Words · Licence: Creative Commons Attribution 4.0 International (CC BY 4.0). Changes made: Entries for TR, EN, DE, ES, and FR were selected, normalized, collision-checked, and adapted for PooDuo's chat and Bathroom Wall safety filter.
make-plural (v7.5.0) & i18n-js (v4.5.4)
make-plural by Eemeli Aro (github.com/eemeli/make-plural) is licensed under the ISC Licence: Copyright (c) Eemeli Aro <eemeli@gmail.com>. Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. i18n-js by Nando Vieira (github.com/fnando/i18n) is licensed under the MIT Licence.
Additional MIT-Licensed Filter Word Lists
words/cuss (Titus Wormer, MIT Licence), darwiin/french-badwords-list (MIT Licence), and thisandagain/washyourmouthoutwithsoap (MIT Licence).

2. Two-Minute Trivia Question Sources (CC BY-SA 4.0 / CC BY 4.0 / CC0)

PooDuo's trivia import pipeline accepts only questions licensed under own, CC0-1.0, CC-BY-4.0, or CC-BY-SA-4.0. Any question translated or adapted from a CC BY-SA 4.0 source remains licensed under CC BY-SA 4.0 as Adapted Material and is explicitly excluded from the operator's proprietary rights claim in the Terms of Use.

Source & Creator	Source URL	Licence	Changes / Translation Notice
PooDuo Original Questions (`own`) · Tekno	`https://pooduo.com`	Proprietary / PooDuo	Original multilingual questions authored for PooDuo (status: infrastructure ready, question packs unpublished at launch).
Open Trivia Database (OpenTDB) · PixelTail Games LLC & contributors (reserved slot when imported)	https://opentdb.com/	CC BY-SA 4.0	When active packs are imported: translated into TR/DE/ES/FR and edited for length and 4-option format; adaptations remain under CC BY-SA 4.0.
Wikidata Structured Facts · Wikidata contributors (reserved slot when imported)	https://www.wikidata.org/	CC0 1.0	When active packs are imported: formatted into multiple-choice prompts across supported languages.

Credits, Open-Source Notices & Trivia Sources

1. Safety Filter Word Lists & Language Libraries

2. Two-Minute Trivia Question Sources (CC BY-SA 4.0 / CC BY 4.0 / CC0)