Open source for data and AI

Projects749Relicensed100

749 projects · 100 relicensed

Polars license, foundation and stars

Query and processing engines · MIT (open source) · backed by Polars · 40,262 stars

GitHub

Extremely fast Query Engine for DataFrames, written in Rust

License history

LICENSE file

MIT No license change recorded since the repository was created in 2020.

Latest release

py-1.44.2 published Sep 9, 2026

More in query and processing engines

Custom or mixed (see the LICENSE file)62k starspathwayPython ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.-36 a weekBSD 3-Clause50.3k starspandasFlexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more.+85 a weekApache 2.044.4k starsApache SparkApache Spark - A unified analytics engine for large-scale data processing.Apache · +65 a weekMIT43k starsDuckDBDuckDB is a high-performance analytical database system.DuckDB Foundation · +180 a week · v1.5.5, Jul 22, 2026Apache 2.017.3k starsApache ArrowApache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics.Apache · +20 a week · apache-arrow-25.0.1, Aug 10, 2026Apache 2.016.8k starsprestoThe official home of the Presto distributed SQL query engine for big data.+5 a weekApache 2.015.7k starsApache HadoopA query and processing engine by apache, written in Java.+8 a weekApache 2.013.5k starsTrinoOfficial repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (.Starburst · +34 a week · 483, Jul 18, 2026
ProjectStars
pathwayPython ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.Custom or mixed (see the LICENSE file)62k
pandasFlexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more.BSD 3-Clause50.3k
Apache SparkApache Spark - A unified analytics engine for large-scale data processing.ApacheApache 2.044.4k
DuckDBDuckDB is a high-performance analytical database system.DuckDB FoundationMIT43k
Apache ArrowApache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics.ApacheApache 2.017.3k
prestoThe official home of the Presto distributed SQL query engine for big data.Apache 2.016.8k
Apache HadoopA query and processing engine by apache, written in Java.Apache 2.015.7k
TrinoOfficial repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (.StarburstApache 2.013.5k
About and history
Repository
pola-rs/polars · created May 13, 2020
Website
docs.pola.rs
Language
Rust
Foundation
None; run by Polars
Company
Polars · on Companies · on problems
GitHub detects
MIT
Stars per week
67 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 2, 202640,262
Oct 26, 202640,204
Oct 12, 202640,102
Oct 5, 202640,005
Sep 21, 202639,858

Changes

Stars per weekNov 5, 2026

Gains about 67 stars a week, down from 69.

Stars per weekOct 26, 2026

Gains about 69 stars a week, down from 81.

Stars per weekOct 17, 2026

Gains about 81 stars a week, up from 74.

Stars per weekOct 8, 2026

Gains about 74 stars a week, down from 77.

TrackedSep 24, 2026

Now tracked, from pola-rs/polars on GitHub.