Blur Admin - Angular admin panel front-end framework
Bullet Train - The Ruby on Rails SaaS-in-a-Box.
StationDB - Launch your no-code admin panel online instantely, in a few clicks.
Forest Admin for Rails - Fully-featured admin panel for Ruby on Rails apps
FireCMS - An open source CMS/admin panel based on Firestore
Laravel Kit - Desktop Laravel admin panel app with no configuration needs