Extension name: Scroll Arrangement Handler Extension (these are 2 extensions).
Author: ColinTree
Extension blocks:
Download AIX: cn.colintree.aix.ScrollArrangementHandlers.aix (26.3 KB)
External Links: GitHub - OpenSourceAIX/ScrollArrangementHandlers
Extension name: JsonUtils (two extensions together)
Author: ColinTree
Extension blocks:
Download AIX: cn.colintree.aix.JsonUtils.aix (23.3 KB)
External links: GitHub - OpenSourceAIX/JsonUtils
Extension name: Airtable Classic
Author: Jerin Jacob
Author username (for contact): @Jerin_Jacob
I hope it is OK posting it here Jerin! If you don't want it here, I will remove it as you wish.
Extension blocks:
Download AIX: Airtable.aix (36.3 KB)
Extension name: Swipe Refresh
Author: ColinTree
Download AIX: not available, you have to compile your own extension from the GitHub source code: GitHub - OpenSourceAIX/SwipeRefresh.
Extension name: Image Editor Extension
Author: Mika
Extension blocks:
Download AIX: com.NMD.ImageEditor.aix (32.7 KB)
Carlos Pedroza SQLite and Thumbnail on github
Luke Gackle Countdown extension on Github
Thanks, adding to list now!
Extension name: OCR Extension.
Extension author: Mika
Extension blocks:
Download AIX: com.NMD.Ocr.aix (383.4 KB)
Wow, I'm very happy that you rescued a lot of extensions.
Keep up your good work 
Extension name: Web Viewer Dialog
Author: Ben Moliata a.k.a. ILoveThunkable
Extension blocks:
Download AIX: Web Viewer Dialog.aix (10.9 KB)
Extension name: Image Print Extension
Author: Ben Moliata a.k.a. ILoveThunkable
Extension blocks:
Download AIX: Image Print.aix (1.6 MB)
Extension name: Colors
Author: Vishwas
Author username (for contact): @vishwas
Extension blocks:
WARNING! You can use only 1 extension from this author, as if you use multiple extensions from the same author, you will have a DX execution failed error in your app. Use: [F/OS] 🎨 ColorUtilities - Some Tools To Work With Colors instead.
Download AIX: Vishwas Colors.aix (6.7 KB)
Extension name: Firebase Authentication V1 (Version 3 wanted!)
[mod comment: Believe this is V3 - it has the facebook, google and update profile blocks]
Author: Mirxtrem Apps
Extension blocks:
Download AIX: Firebase Auth.aix (37.8 KB)
https://aix.colintree.cn/en/extensions/SwipeRefresh.html
Similarly, all other extensions of colintree can be found on that website.
