Extension list
matpompili Added ! 
SMTP Config UI (https://discuss.flarum.org/d/1597-configure-smtp-ui) by @BinhQuang added to the list ! 
Flarum favicon (https://discuss.flarum.org/d/1668-matpompili-favicon-add-favicons-to-you-forum-also-supports-mobile-ones) by @[deleted] added to the list ! :p
great extensions (y)
New one for you 
Visual - Animated Tag Hero - https://discuss.flarum.org/d/1695-canvas-animated-discussion-tag-titles/
- Edited
@BlackSheep could you also add the core packages or add the proposed methods from this thread.
Also need to add the Brazilian Portuguese language pack.
Great work guys, that's really helpfull.
First post updated with all of the above
BlackSheep It seems you attributed me to the Traditional Chinese Extension, which I didn't create.
Miss this one on the list: https://discuss.flarum.org/d/1619-share-social
@BlackSheep I just posted a new one: https://discuss.flarum.org/d/1929-davis-social-profile
@BlackSheep could you please add this one? https://discuss.flarum.org/d/1979-spoiler-bbcode
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BlackSheep I'd recommend reworking the categories so there aren't any extensions in the other category. Because my extension isn't an obscure idea, it should have a category to fit into.