
PFund-Software-Ltd/pfeedData Engine for AI/Algo Trading: Download/Stream -> Clean -> Store. Supports Data Lakehouse Architecture. Clean Once and Forget.
Python★ 34↓ 1,064/moSep 12, 2026

nicko4o/polars-baseballAsynchronous Python library for retrieving baseball data (Statcast, Baseball Reference, FanGraphs, Lahman, Retrosheet, MLB Stats API) as Polars DataFrames.
Python★ 0↓ 2,427/moAug 23, 2026
Python★ 19↓ 3,155/moOct 22, 2026
PyPI · crates.io69Goodhealth index

wlaur/adbc-driver-monetdbADBC driver for MonetDB (Rust): Arrow-native reads and writes for polars, pandas, and the wider ADBC ecosystem
Rust · Python★ 2↓ 5,269/moSep 16, 2026
PyPI · crates.io67Goodhealth index
Rust · Python★ 44↓ 5,036/moOct 20, 2026

5j9/tsetmcAn async Python library to fetch data from https://tsetmc.com/
Python★ 33↓ 1,280/moSep 10, 2026
PyPI · crates.io63Moderatehealth index
Rust · Python★ 3↓ 6,423/moSep 9, 2026
PyPI · crates.io60Moderatehealth index

MaxwellB13/polspecDeclare a Polars schema once, then generate data from it and validate data against it
Python★ 1↓ 2,677/moSep 24, 2026
PyPI59Moderatehealth index

LakeLogic/open-lakehouse-contractOpen Lakehouse Contract (OLC) is an open YAML specification for declaring a data product's schema, quality rules, transformations, lineage, ownership, service levels (SLAs and SLOs) and materialisation.
Python★ 0↓ 2,210/moOct 1, 2026
PyPI59Moderatehealth index
Python★ 4Sep 12, 2026
crates.io54Moderatehealth index
Rust★ 41↓ 1,136/moOct 19, 2026
PyPI54Moderatehealth index

mmore500/joinemCLI for fast, flexbile concatenation of tabular data using polars
Python · Shell★ 17↓ 2,200/moOct 15, 2026
PyPI54Moderatehealth index
Python★ 4↓ 204/moOct 21, 2026
PyPI53Moderatehealth index
Python★ 0↓ 2,492/moOct 6, 2026
Python★ 144↓ 53/moAug 24, 2026
PyPI · Maven45Weakhealth index
Kotlin · TypeScript · Java★ 0↓ 39/moSep 8, 2026
PyPI · crates.io · Maven44Weakhealth index

sl-agentics/seineSeine — a Drools-faithful forward-chaining rule engine in Rust, with a dataframe-native Python API
Rust · Python★ 0↓ 720/moOct 22, 2026

lk-geimfari/mimesisMimesis is a Python library for generating fake but realistic data in multiple languages and locales.
Python★ 4,839↓ 2.6M/moAug 27, 2026
Rust · Python★ 308↓ 132.2K/moSep 17, 2026