The Alphabet
Arabic alphabet: https://en.wikipedia.org/wiki/Arabic_alphabet
Typing practice: http://www.studyarabic.com/#/typing_tutor
Art
QFI Mosaic Tilemaker: https://tilemaker.teachalmasdar.com/
Study Aids
Quizlet (free through June 2020): https://quizlet.com/upgrade/teacher/remote-teaching
LinguaStep: http://www.linguastep.com/
English grammar for teachers of Arabic: http://www.oliviahill.com/teacher/arabic/index.php
English grammar for students of Arabic: http://www.oliviahill.com/student/arabic/index.php