Dejavu is a Web UI for Elasticsearch that allows easy data importing (GUI for JSON / CSV import), adding custom mappings for fields, as well as add / edit / filter data visually or via Elasticsearch queries. It solves the PITA that is indexing / re-indexing / creating mappings while working with Elasticsearch.
Firefoo is a sophisticated GUI tool for Firebase Cloud Firestore. View and edit your data in a table, tree or JSON, export to JSON and CSV, and run queries from a JavaScript shell.