Columnar storage extension for Postgres built as a foreign data wrapper. Check out https://github.com/citusdata/citus for a modernized columnar storage implementation built as a table access method.
High-performance, columnar, in-memory store with bitmap indexing in Go
❄️ Coolest database around 🧊 Embeddable column database written in Go.
Distributed "massively parallel" SQL query engine
An open-source columnar data format designed for fast & realtime analytic with big data.
Unified MySQL, Postgres & FlightSQL Server, Powered by DuckDB.
Another OLAP database
Manipulate arrays of complex data structures as easily as Numpy.
ParquetSharp is a .NET library for reading and writing Apache Parquet files.
A Bluesky appview focused on low resource consumption
Index Common Crawl archives in tabular format
Julia implementation of Parquet columnar file format reader
Ballcone is a fast and lightweight server-side Web analytics solution.
C-Store : A column-oriented DBMS prototype (frozen)
ergonomic columnar storage encoding crate
DuckDB extension to allow quacking with PostgreSQL protocol
Enterprise Grade Single-Step Streaming Data Infrastructure Setup. (Under Development)