Tabler - Admin panel made simple
Draxlr - Get answers from your data without writing SQL queries, and share with your team and users.
Jet Admin - Build business apps really fast
MissionKontrol - A self-hosted admin panel and interface that allows you to manage your apps' data.
Forest Admin - Execute fast and at scale with no time wasted on internal tools developed in-house.
FireCMS - An open source CMS/admin panel based on Firestore