1.apache / arrow
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
+330 stars
from 16,939 · score 5.80
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Ranked by Attention Score: stars gained over the last 90 complete days
14 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.questdb / questdb
QuestDB is a high performance, open-source, time-series database
+326 stars
from 17,167 · score 5.79
3.joryeugene / dadbod-grip.nvim
Dadbod Grip turns database tables into editable Vim buffers, with schema browsing, staged mutations, generated SQL, relationship navigation, and cross-database federation inside Neovim.
+22 stars
from 159 · score 3.14
4.SouravRoy-ETL / slothdb
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
+11 stars
from 401 · score 2.48
5.bigdatagenomics / adam
ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
+6 stars
from 1,054 · score 1.95
6.multiprocessio / dsq
Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.
+5 stars
from 3,856 · score 1.79
7.HazelnutParadise / insyra
Go's answer to pandas + scikit-learn: a batteries-included data analysis library with dataframes, statistics, machine learning, quant, and GPU acceleration. Run Python with seamless two-way variable sharing, or explore data straight from the Insyra CLI.
+5 stars
from 54 · score 1.79
8.EtienneLenoir / duckdb-vba
Run DuckDB inside Excel VBA: pandas-style analytics via in-process SQL + native C bridge. High-speed Range/Array ingestion, Parquet/CSV/JSON I/O.
+5 stars
from 6 · score 1.79
9.Cinchoo / ChoETL
ETL framework for .NET (Parser / Writer for CSV, Flat, Xml, JSON, Key-Value, Parquet, Yaml, Avro formatted files)
+4 stars
from 857 · score 1.61
10.ak-coram / cl-duckdb
Common Lisp CFFI wrapper around the DuckDB C API
+3 stars
from 54 · score 1.39
11.gchq / GafferArchived
A large-scale entity and relation database supporting aggregation of properties
+2 stars
from 1,786 · score 1.10
12.grai-io / grai-core
No description provided by the repository host.
+2 stars
from 315 · score 1.10
13.godalida / koala-diff
Blazingly fast data comparison tool for Python, powered by Rust. Compare massive CSV/Parquet datasets instantly.
+2 stars
from 7 · score 1.10
14.dataspoclab / dataspoc-pipe
Data ingestion engine — Singer taps to Parquet in cloud buckets
+2 stars
from 2 · score 1.10