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@@ -84,18 +84,18 @@ Also like 👍, star ⭐, clap 👏 links to support their authors !
 
 ## Videos
 - [Tensor Programming](https://www.youtube.com/watch?v=WwhyaqNtNQY&list=PLJbE2Yu2zumDqr_-hqpAN0nIr6m14TAsd) <!--youtube:list/PLJbE2Yu2zumDqr_-hqpAN0nIr6m14TAsd--> - Very rich content by [Tensor Programming](http://tensor-programming.com/)
-- [Flutter Challenges](https://www.youtube.com/channel/UCtWyVkPpb8An90SNDTNF0Pg) - High-production value, in-depth challenges, tutorials, and patterns
-- [The Flutter Episodes](https://www.youtube.com/playlist?list=PLBbgqtDgdc_RUWUCInIqxpY--C94C6Xjh) <!--youtube:list/PLBbgqtDgdc_RUWUCInIqxpY--C94C6Xjh--> - Videos on layout, database and tips by Brandon Donnelson
+- [Fluttery](https://www.youtube.com/channel/UCtWyVkPpb8An90SNDTNF0Pg) - High-production value and in-depth challenges.
+- [Brandon Donnelson](https://www.youtube.com/playlist?list=PLBbgqtDgdc_RUWUCInIqxpY--C94C6Xjh) <!--youtube:list/PLBbgqtDgdc_RUWUCInIqxpY--C94C6Xjh--> - Videos on layout, database and tips by Brandon Donnelson
 - [Mtechviral](https://www.youtube.com/watch?v=qWL1lGchpRA&list=PLR2qQy0Zxs_UdqAcaipPR3CG1Ly57UlhV) <!--youtube:list/PLR2qQy0Zxs_UdqAcaipPR3CG1Ly57UlhV--> - [Hindi/English] Mtechviral Series By [Pawan Kumar](https://github.com/iampawan)
 - [Udacity](https://www.udacity.com/course/build-native-mobile-apps-with-flutter--ud905) - Build Native Mobile Apps by Google.
-- [Flutter tutorials from VoidRealms](https://www.youtube.com/playlist?list=PLUbFnGajtZlX9ubiLzYz_cw92esraiIBi) <!--youtube:list/PLUbFnGajtZlX9ubiLzYz_cw92esraiIBi--> - Video tutorials, from basic to advanced
-- [Bram Vanbilsen Tutorials](https://www.youtube.com/watch?v=CEPCGXQ7IQg&list=PLxU9Ryxq6p58PsNmJL70J4_7UzfSqf35n) <!--youtube:list/PLxU9Ryxq6p58PsNmJL70J4_7UzfSqf35n--> - Discover SDK using VSCode by Bram Vanbilsen
+- [VoidRealms](https://www.youtube.com/playlist?list=PLUbFnGajtZlX9ubiLzYz_cw92esraiIBi) <!--youtube:list/PLUbFnGajtZlX9ubiLzYz_cw92esraiIBi--> - Video tutorials, from basic to advanced
+- [Bram Vanbilsen](https://www.youtube.com/watch?v=CEPCGXQ7IQg&list=PLxU9Ryxq6p58PsNmJL70J4_7UzfSqf35n) <!--youtube:list/PLxU9Ryxq6p58PsNmJL70J4_7UzfSqf35n--> - Discover SDK using VSCode by Bram Vanbilsen
 
 ## Components
 
 ### Demonstrations
 
-- [Flutter Gallery](https://github.com/flutter/flutter/tree/master/examples/flutter_gallery) - Demo app for the material design widgets and other features provided by Flutter Team
+- [Official Gallery](https://github.com/flutter/flutter/tree/master/examples/flutter_gallery) - Demo app for the material design widgets and other features provided by Flutter Team
 - [Posse Gallery](https://github.com/flutter/posse_gallery) <!--stargazers:flutter/posse_gallery--> - Demonstration by [Posse](http://goposse.com)
 - [Flutter Examples](https://github.com/nisrulz/flutter-examples) <!--stargazers:nisrulz/flutter-examples--> - Simple basic isolated apps for devs by [Nishant Srivastava](https://github.com/nisrulz)
 
@@ -112,8 +112,8 @@ Also like 👍, star ⭐, clap 👏 links to support their authors !
 - [Sticky Headers](https://github.com/slightfoot/flutter_sticky_headers) <!--stargazers:slightfoot/flutter_sticky_headers--> - Configurable sticky headers by [Simon Lightfoot](http://www.devangels.london/)
 - [Login Animation](https://github.com/GeekyAnts/flutter-login-home-animation) <!--stargazers:GeekyAnts/flutter-login-home-animation--> - Smooth animation from login to home by [Ruchika Gupta](https://github.com/geekruchika)
 - [List Drag&Drop](https://github.com/Norbert515/flutter_list_drag_and_drop) <!--stargazers:Norbert515/flutter_list_drag_and_drop--> - Reorder list elements using Drag & Drop by [Norbert515](https://github.com/Norbert515)
-- [Calendar Widget](https://github.com/pinkfish/flutter_calendar) <!--stargazers:pinkfish/flutter_calendar--> - Calendar widget using slivers for smooth scrolling back and forth over days/events with the ability to jump to specific days/months by [David Bennett](https://github.com/pinkfish)
-- [Side Header List](https://github.com/renefloor/side_header_list_view) <!--stargazers:renefloor/side_header_list_view--> - Listview with sticky headers like the Android contact page by [Rene Floor](https://github.com/renefloor)
+- [Calendar Widget](https://github.com/pinkfish/flutter_calendar) <!--stargazers:pinkfish/flutter_calendar--> - Calendar widget by [David Bennett](https://github.com/pinkfish)
+- [Side Header List](https://github.com/renefloor/side_header_list_view) <!--stargazers:renefloor/side_header_list_view--> - Listview with sticky headers by [Rene Floor](https://github.com/renefloor)
 - [Shimmer](https://github.com/hnvn/flutter_shimmer) <!--stargazers:hnvn/flutter_shimmer--> - Shimmer effect while content is loading by [HungHD](https://github.com/hnvn)
 
 ### Image