Credits
Zaad is built out of other people's work. Here is whose.
King Fahd Glorious Quran Printing Complex
The Madani script, its fifteen-line page layout, the UthmanicHafs face and the surah banner artwork. The tajweed colouring follows their colour print, so you can check it against a printed mushaf.
Quranic Universal Library & Quran.com
The IndoPak script and its layout, the tajweed spans, the juz and surah name faces, and the recitation timings. Every translation and tafsir in the app comes from QUL too: the bundled Saheeh International and al-Mukhtasar, and the roughly 176 translations and 98 tafsirs you can download. qul.tarteel.ai · quran.com
fawazahmed0/hadith-api
All ten hadith collections: Sahih al-Bukhari, Sahih Muslim, Sunan Abu Dawud, Jami at-Tirmidhi, Sunan an-Nasa'i, Sunan Ibn Majah, Muwatta Malik, the Forty Hadith of an-Nawawi, the Forty Hadith Qudsi, and the Forty Hadith of Shah Waliullah Dehlawi. github.com/fawazahmed0/hadith-api
Hisn al-Muslim
The duas, from hisnmuslim.com, with references from asellam/HisnElMuslim, used under the MIT licence.
quranicaudio.com and tarteel.ai
The recitation audio for all eleven reciters. Zaad streams it from them. It hosts none of it and claims no rights in it.
Corrections
If you hold rights in anything here and it is credited wrongly, or should not be here at all, tell us and we will fix it.