Browse free open source Python Libraries and projects below. Use the toggles on the left to filter open source Python Libraries by OS, license, language, programming language, and project status.

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  • 1

    dweWebPage

    Python Library for creating web pages

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  • 2
    earthengine-py-notebooks

    earthengine-py-notebooks

    A collection of 360+ Jupyter Python notebook examples

    earthengine-py-notebooks is a comprehensive collection of hundreds of Jupyter Python notebooks that serve as examples and tutorials for using the Google Earth Engine Python API. These notebooks are organized into thematic areas such as image processing, machine learning, visualization, filtering, and asset management, exposing users to real geospatial analysis tasks. The repository makes it easier to explore Earth Engine’s large geospatial data catalog, interactively display map layers, and generate visual insights without the need for external GIS software by leveraging interactive widgets and mapping libraries. Many of the notebooks integrate with tools like folium, ipyleaflet, and geemap to bridge Earth Engine data with Python’s rich ecosystem for plotting and analysis. Users can quickly adapt the examples for their own remote sensing, environmental monitoring, or spatial data science projects, and can run the code in environments like Google Colab.
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  • 3
    easyquant

    easyquant

    Stock quantification framework to support market acquisition

    easyquant is a Python quantitative-trading framework built on top of easytrader for execution and easyquotation for market data. Its event-driven architecture is inspired by vn.py and routes market updates into user-defined strategies. The default configuration can stream broad Sina market data at roughly one-second intervals. Alternative quotation sources can be substituted, including selected depth and fund data supported by easyquotation. Trading support includes several Chinese broker clients and Xueqiu simulated portfolios. Strategies inherit from a common template and receive events containing current market information and account access. The repository includes example strategies, custom engines, account configuration files, logging, timers, and testing material.
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  • 4
    easyquotation

    easyquotation

    Get free stock quotes in real time, supporting Sina

    easyquotation is a lightweight Python library for retrieving Chinese stock-market data from free public quotation sources. It supports market feeds from Sina and Tencent as well as selected data from Jisilu. Developers can request complete market snapshots or query specific Shanghai, Shenzhen, Beijing, and Hong Kong securities. Returned records include prices, bid and ask data, volume, turnover, highs, lows, and other trading fields when available. The library also includes Tencent Hong Kong daily K-line support and selected ETF information from Jisilu. Built-in stock-code data can be refreshed as listings change. Its small API makes it useful as a market-data component in scripts, dashboards, and quantitative trading systems.
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  • 5
    easytrader

    easytrader

    Python toolkit for automating and integrating stock trading

    easytrader is a Python toolkit for automating and integrating quantitative stock trading workflows in the Chinese market. It can control supported desktop trading clients and also work with official MiniQMT interfaces. The project supports Xueqiu portfolio operations and can track simulated strategies from platforms such as JoinQuant and RiceQuant. Remote operation mode lets trading functions be exposed outside the local client environment. Its APIs cover account information, positions, orders, balances, and related trading actions. Configuration files define broker or platform-specific behavior, while pywinauto powers desktop-client automation where required. The project is commonly paired with easyquotation for market data and easyquant for higher-level strategy execution.
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  • 6

    edumath

    Python Module

    edumath is a python module. You can do calculations of advance topics of mathematics of high school. In intial release v 1.0 it contains 28 functions for performing calculations. This is windows installer. Just download, read documentation on github and use it in your own projects. I started writing this module from 05-04-2014. I covered three topics of high school - Matrices, Progression and Vector Algebra. I am constanly working on edumath. If you find this module helpful and wnt to contribute, then you are allow to contribute on github. (http://www.guthub.com/daxeel/edumath) I request that insert your code in respective section of mathematics topics. So, in future it can be very easy to maintain edumath project. In next version release i will give credits to all the contributors.
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  • 7
    fastMRI

    fastMRI

    A large open dataset + tools to speed up MRI scans using ML

    fastMRI is a large-scale collaborative research project by Facebook AI Research (FAIR) and NYU Langone Health that explores how deep learning can accelerate magnetic resonance imaging (MRI) acquisition without compromising image quality. By enabling reconstruction of high-fidelity MR images from significantly fewer measurements, fastMRI aims to make MRI scanning faster, cheaper, and more accessible in clinical settings. The repository provides an open-source PyTorch framework with data loaders, subsampling utilities, reconstruction models, and evaluation metrics, supporting both research reproducibility and practical experimentation. It includes reference implementations for key MRI reconstruction architectures such as U-Net and Variational Networks (VarNet), along with example scripts for model training and evaluation using the PyTorch Lightning framework. The project also releases several fully anonymized public MRI datasets, including knee, brain, and prostate scans.
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  • 8
    fastNLP

    fastNLP

    fastNLP: A Modularized and Extensible NLP Framework

    fastNLP is a lightweight framework for natural language processing (NLP), the goal is to quickly implement NLP tasks and build complex models. A unified Tabular data container simplifies the data preprocessing process. Built-in Loader and Pipe for multiple datasets, eliminating the need for preprocessing code. Various convenient NLP tools, such as Embedding loading (including ELMo and BERT), intermediate data cache, etc.. Provide a variety of neural network components and recurrence models (covering tasks such as Chinese word segmentation, named entity recognition, syntactic analysis, text classification, text matching, metaphor resolution, summarization, etc.). Trainer provides a variety of built-in Callback functions to facilitate experiment recording, exception capture, etc. Automatic download of some datasets and pre-trained models.
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  • 9
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  • 10

    fragment-donor-sdk

    MIT SDKs for a Telegram Stars/Premium API in seven runtimes.

    Independent MIT-licensed server SDKs for the Fragment Donor public API in Python, TypeScript, PHP, .NET, Go, Rust and Ruby. The private production backend and its history are not part of this project. The SDKs cover username and Premium lookup, wallet balance, and intended Stars/Premium gifting through a form-urlencoded contract. Purchase calls are not retried automatically, and no idempotency guarantee is claimed. Mocked contract and package tests make no real purchases. English, Russian and Uzbek documentation is available from the canonical GitHub project. This is not an official Telegram, Fragment or TON product.
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  • 11

    ftdi device

    python interface for libFTDI

    Object oriented access for ftdi - based devices via libFTDI for python 3.
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  • 12
    fvcore

    fvcore

    Collection of common code shared among different research projects

    fvcore is a lightweight utility library that factors out common performance-minded components used across Facebook/Meta computer-vision codebases. It provides numerics and loss layers (e.g., focal loss, smooth-L1, IoU/GIoU) implemented for speed and clarity, along with initialization helpers and normalization layers for building PyTorch models. Its common modules include timers, logging, checkpoints, registry patterns, and configuration helpers that reduce boilerplate in research code. A standout capability is FLOP and activation counting, which analyzes arbitrary PyTorch graphs to report cost by operator and by module for precise profiling. The file I/O layer (PathManager) abstracts local/remote storage so the same code can read from disks, cloud buckets, or HTTP endpoints. Because it is small, stable, and well-tested, fvcore is frequently imported by projects like Detectron2 and PyTorchVideo to avoid duplicating infrastructure and to keep research repos.
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  • 13

    geometry3d

    A Python library for geometric objects in 3 dimentions

    Implemented classes of 3d objects: * Vector3D * Point3D * Line3D * Plane3D * Ray3D * HalfPlane3D * HalfSpace3D * LineSegment3D Yet incompletely implemented classes: * Triangle3D * Disk3D (closed circle) * Union3D * Difference3D Each object has methods for finding its sizes, containing box or containing sphere. It finds intersection and distance or closest to another object part of itself. It also can tell if it contains the other object or is it contained by that. Where appropriate, it's easy to check orthogonality and parallelism. Vectors are sub-typed from numpy ndarray class. Extensive unit tests are included. Test coverage exceeds 95%. See documentation of the library internals in section Files ( https://sourceforge.net/projects/geometry3d/files/ ).
    Downloads: 0 This Week
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  • 14
    gevent

    gevent

    Coroutine-based concurrency library for Python

    gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level synchronous API on top of the libev or libuv event loop. gevent is inspired by eventlet but features a more consistent API, simpler implementation and better performance. Read why others use gevent and check out the list of the open source projects based on gevent. Since version 1.1, gevent is maintained by Jason Madden for NextThought with help from the contributors and is licensed under the MIT license. API that re-uses concepts from the Python standard library (for examples there are events and queues). Cooperative DNS queries performed through a threadpool, dnspython, or c-ares. Monkey patching utility to get 3rd party modules to become cooperative. When monkey patching, it is recommended to do so as early as possible in the lifetime of the process. If possible, monkey patching should be the first lines executed.
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  • 15
    git-extra-commands

    git-extra-commands

    A collection of git utilities, useful extra git scripts, tutorials

    git-extra-commands is a collection of command-line helpers that extends Git with additional workflow and repository-management commands. It is packaged as a ZSH plugin for convenience but does not require ZSH to use the scripts. The collection includes tools for staging, amending, inspecting history, cleaning branches, resolving conflicts, and working with remotes. Other commands expose repository statistics, large files, ignored files, changed functions, default branches, and repository roots. Several helpers integrate with fzf for interactive commit, reflog, file, and reference browsing. The repository also collects useful Git aliases, installation methods, external utilities, articles, and practical configuration tips.
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  • 16
    go1pylib

    go1pylib

    go1pylib is a Python library designed to control the Go1 robot

    go1pylib is a Python library designed to control the Go1 robot by Unitree Robotics. It provides an easy-to-use interface for robot movement, state management, collision avoidance, battery monitoring, and MQTT communication. Ideal for research and robotics development.
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  • 17

    golib

    C++ collection mostly for image processing

    libGo is a C++ class library containing all kinds of things that proved useful to me. Included are: - Linear algebra, using LAPACK and CBLAS - V4L(1) image grabber - Multithreading - Image containers (up to 3D) - Some simple optimisation code - Python embedding helper - Matlab interface - .. and other things, have a look at the HTML documentation! golib grew over many years, things I had use for have been added now and then. Some parts are better taken care of than others. If you find anything spectacularly wrong or badly documented, and need assistance, please drop me a line.
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  • 18
    gradslam

    gradslam

    gradslam is an open source differentiable dense SLAM library

    gradslam is an open-source framework providing differentiable building blocks for simultaneous localization and mapping (SLAM) systems. We enable the usage of dense SLAM subsystems from the comfort of PyTorch. The question of “representation” is central in the context of dense simultaneous localization and mapping (SLAM). Newer learning-based approaches have the potential to leverage data or task performance to directly inform the choice of representation. However, learning representations for SLAM has been an open question, because traditional SLAM systems are not end-to-end differentiable. In this work, we present gradSLAM, a differentiable computational graph take on SLAM. Leveraging the automatic differentiation capabilities of computational graphs, gradSLAM enables the design of SLAM systems that allow for gradient-based learning across each of their components, or the system as a whole.
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  • 19
    grafanalib

    grafanalib

    Python library for building Grafana dashboards

    Grafanalib is a Python library for building Grafana dashboards programmatically, allowing users to automate dashboard creation and configuration.
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  • 20
    humanize

    humanize

    Python humanize functions

    humanize is a Python utility library for converting machine-oriented numbers, dates, durations, and sizes into readable text. It can format large integers with separators or abbreviations such as millions and billions. Date and time helpers produce natural expressions such as relative times, human-readable dates, and approximate durations. Precise duration formatting can break intervals into days, hours, minutes, seconds, milliseconds, and smaller units. File sizes can be presented using decimal, binary, or GNU-style notation. The package also supports fractions, scientific notation, and extensive localization so applications can generate these human-friendly representations in many languages. Development of the project has since moved to the python-humanize organization.
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  • 21
    iJEPA

    iJEPA

    Official codebase for I-JEPA

    i-JEPA (Image Joint-Embedding Predictive Architecture) is a self-supervised learning framework that predicts missing high-level representations rather than reconstructing pixels. A context encoder sees visible regions of an image and predicts target embeddings for masked regions produced by a slowly updated target encoder, focusing learning on semantics instead of texture. This objective sidesteps generative pixel losses and avoids heavy negative sampling, producing features that transfer strongly with linear probes and minimal fine-tuning. The design scales naturally with Vision Transformer backbones and flexible masking strategies, and it trains stably at large batch sizes. i-JEPA’s predictions are made in embedding space, which is computationally efficient and better aligned with downstream discrimination tasks. The repository provides training recipes, data pipelines, and evaluation code that clarify which masking patterns and architectural choices matter most.
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  • 22

    ipHelpers

    python interface to Win32 NotifyAddrChange api

    ipHelpers is a python module that provides a python interface to the Win32 NotifyAddrChange api. The Win32 api notifies of changes to the mapping of ipv4 addresses to interfaces. ipHelpers also allows determining configuration of network interfaces. ipHelpers also illustrates the use of ctypes to access functions in Windows iphlpapi and kernel32.
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  • 23
    ipytest

    ipytest

    Pytest in IPython notebooks

    ipytest allows you to run Pytest in Jupyter notebooks. ipytest aims to give access to the full pytest experience and to make it easy to transfer tests out of notebooks into separate test files.
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  • 24
    isbnlib

    isbnlib

    A Python library to manipulate ISBNs.

    A Python library to manipulate ISBNs. Through abstract classes and Factories, the library provides developers with a transparent interface to query any of the many different web services provided without efforts.
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  • 25
    javalang

    javalang

    Pure Python Java parser and tools

    javalang is a pure Python library for working with Java source code. javalang provides a lexer and parser targeting Java 8. The implementation is based on the Java language spec.
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