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Top Python Data Structures 2025

GitHub Libraries → Python → Data Structures
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pandas-dev/pandas 45K +137

added 1 month ago

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

Python Data Science Libraries DataFrame Libraries Data Structures Statistics Libraries

pola-rs/polars 33K +222

added 1 month ago

Polars is a blazingly fast DataFrame library for manipulating structured data.

Rust Data Structures DataFrame Libraries Data Science Libraries Python Data Structures DataFrame Libraries Data Science Libraries

spotify/annoy 13K +33

added 1 month ago

Annoy is a library for fast Approximate Nearest Neighbor search, using memory-mapped, shareable indexes for efficiency. Used at Spotify for music recommendations.

C/C++ Data Structures Search Libraries Python Data Structures Search Libraries

modin-project/modin 10K +8

added 1 month ago

Scale your pandas workflows by changing one line of code.

Python Data Science Libraries DataFrame Libraries Data Structures Statistics Libraries

grantjenks/python-sortedcontainers 3K +14

added 1 month ago

Python Sorted Container Types: Sorted List, Sorted Dict, and Sorted Set

Python Data Structures

cdgriffith/box 2K +5

added 1 month ago

Python dictionaries with advanced dot notation access

Python Data Structures

jab/bidict 1K +9

added 1 month ago

The bidirectional mapping library for Python. Used by Google, Venmo, CERN, Baidu, Tencent, and teams across the world.

Python Data Structures

spotify/voyager 1K +11

added 1 month ago

An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.

Python Data Structures Search Libraries Java Data Structures Search Libraries

kayjan/bigtree 186

added 1 month ago

Tree Implementation and Methods for Python, integrated with list, dictionary, pandas and polars DataFrame.

Python Data Structures DataFrame Libraries

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