Arabic:

https://github.com/malikolivier/fahm - Fahm Arabic Pop-up Dictionary for Chrome browser

https://www.almaany.com - dictionary

https://learning.aljazeera.net/en - Many videos and introductionary cartoons, with vocabulary on the sidebar

Grammar

http://andreasmhallberg.github.io/documents/ "Hallberg, A. (2016). Case Endings in Spoken Standard Arabic." PhD thesys : (fuşḩa, MSA, how is Case really used in actual MSA)

Spoken varieties

Talk In Arabic . com -
Some free material, paid plans
Audio lessons - presented in "Egyptian Levantine Iraqi Saudi Sudanese Moroccan Tunisian Algerian"
https://soundcloud.com/talkinarabic - free context in SoundCloud
lingualism.com - see in MultiLang.md

See also:

ArabicShaami.md

Maltese.md

ArabicEgypt.md

ArabicMeghrabi.md

https://www.mezzoguild.com/best-arabic-listening-resources/

Font

https://software.sil.org/scheherazade/ - Unicode 8.0 supporting Arabic script font