Ranked in these QuestionsQuestion Ranking
Pro Supports importing JSON and CSV files
Pro Search preview
Can generate a functional react web app for search preview for seeing dataset relevancy.
Pro Can create filtered and query views
Import data that can be browsed to see filtered and query views of it.
Pro Free and open source
Dejavu is completely free and open source and it's released under the MIT License.
Dejavu is available as a web app, a docker image or as a chrome extension.