-
org-ql
A searching tool for Org-mode, including custom query languages, commands, saved searches and agenda-like views, etc.
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I don't know about pure org, but you could try org-ql. Check org-ql-find-in-org-directory.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.