There are 2 repositories under traildb topic.
TrailDB is an efficient tool for storing and querying series of events
Query engine for TrailDB
Java bindings for traildb
Crystal bindings for TrailDB
OCaml bindings for TrailDB
Java bindings for TrailDB
Sparse data processing toolbox. It builds on top of pandas and scipy to provide DataFrame like API to work with sparse categorical data.
Ruby bindings for TrailDB