It's All Widgets!
Open list of published apps by Hillel Coren, Thomas Burkhart, Simon Lightfoot and Scott Stoll.
Bonus
7 curated resources, grouped by subsection.
Awesome Flutter Linux Stale
A curated list of awesome Linux-specific Flutter packages and projects by J-P Nurmi.
Fun
Hardware
Matrix2 Missing
Sense Hat's LED matrix control game by bus710.
Guide & Interviews
Interview Questions Stale
List of helpful questions you can use to interview potential candidates by Whatsupcoders.
The International Flutter Starter Kit
Guide by the experts by Beyza Sunay Guler & Nawal Alhamwi.
Roadmap.sh/flutter
A community curated flutter developer learning roadmap from the 6th most starred GitHub project.