Jet Admin - Build business apps really fast
Avo - Prevent human errors when implementing analytics
Retool - Build custom internal tools in minutes.
MissionKontrol - A self-hosted admin panel and interface that allows you to manage your apps' data.
Appsmith - Appsmith is an open source web framework for building internal tools, admin panels, dashboards, and workflows.
Active Admin - The administration framework for business critical Ruby on Rails applications.