Pandas

Judgement

What it is

Building block

What it does

A Python library for loading, cleaning, transforming and analysing tabular data with DataFrames.

Adopt it when

You analyse spreadsheets, CSVs or database extracts in Python.

Watch out

Memory-hungry on large datasets, where Polars or DuckDB are faster, and version 3 changed some defaults.

Ready for

Production-ready

Runs as

Library

Built with

Python, Cython and NumPy

How established

Established: started 16 years ago, latest release v3.1.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Pandas → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

Built on Pandas: 14 projects

1. 1
   Airflow apache

   Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

   Framework or platform Production-ready A data team needs a standard batch scheduler with broad integrations and hiring familiarity.

   ★ 47k Apache-2.0 Python Active, pushed today
2. 2
   NumPy numpy

   The fundamental package for scientific computing with Python.

   Building block Production-ready You do any numerical, scientific or data work in Python.

   ★ 33k See repository Python Active, pushed today
3. 3
   Manga Image Translator zyddnys

   Translate manga/image 一键翻译各类图片内文字 https://cotrans.touhou.ai/ (no longer working)

   Complete system Usable You want machine-translated manga pages and can run a GPU model locally.

   ★ 11k GPL-3.0 Python Active, pushed 22 days ago
4. 4
   GreaterWMS GreaterWMS

   This Inventory management system is the currently Ford Asia Pacific after-sales logistics warehousing supply chain process . After I leave Ford , I start this project . You can share your vacant warehouse space, use it for those in need, and generate income

   Complete system Usable A small or mid-size warehouse wants a customisable open-source WMS and can work with Chinese-language resources.

   ★ 4.4k Apache-2.0 Python Active, pushed 8 days ago
5. 5
   OSWorld xlang-ai

   [NeurIPS 2024] OSWorld: Benchmarking Multimodal Agents for Open-Ended Tasks in Real Computer Environments

   Developer tool Usable You research or build computer-use agents and need a standard way to measure them.

   ★ 3.2k Apache-2.0 Python Active, pushed today
6. 6
   vLLM Ascend vllm-project

   Community maintained hardware plugin for vLLM on Huawei Ascend

   Integration Usable You have Huawei Ascend accelerators and want to use vLLM on them.

   ★ 3k Apache-2.0 Python Active, pushed today
7. 7
   Horilla-hr horilla

   Horilla is a free and open source HR software.

   Complete system Usable A small or mid-size company wants a free self-hosted HR suite and has someone to run Django.

   ★ 1.5k LGPL-2.1 HTML Active, pushed 6 days ago
8. 8
   GDSFactory gdsfactory

   A Python library for designing chips (Photonics, Analog, Quantum, MEMS), PCBs, and 3D-printable objects. We aim to make hardware design accessible, intuitive, and fun—empowering everyone to build the future.

   Building block Production-ready A photonics or chip team wants code-driven, reproducible layouts integrated with KLayout and simulators.

   ★ 1.1k MIT Python Active, pushed yesterday
9. 9
   Raven frappe

   Simple, open source team messaging platform

   Complete system Usable Your company runs ERPNext or other Frappe apps and wants chat inside the same system.

   ★ 839 AGPL-3.0 TypeScript Active, pushed today
10. 10
    Django CRM DjangoCRM

    CRM and Task management software, Email marketing and many more. Django CRM software app is built for individual use by businesses of any size or freelancers and is designed to provide easy customization and quick development. ✨

    Complete system Usable A small business with Python skills wants a CRM it can customise directly in Django admin.

    ★ 651 AGPL-3.0 Python Active, pushed yesterday
11. 11
    SLayer MotleyAI

    An embeddable, expressive semantic layer for AI agents and humans

    Building block Experimental You are building AI analytics and want metrics defined once for agents to use.

    ★ 306 MIT Python Active, pushed 13 days ago
12. 12
    Kanvas WithSecureOpenSource

    A simple-to-use IR (incident response) case management tool for tracking and documenting investigations.

    Complete system Experimental A small DFIR team wants a structured alternative to tracking investigations in spreadsheets.

    ★ 469 GPL-3.0 Python Slowing, pushed 6 months ago
13. 13
    Superduper superduper-io

    Superduper: End-to-end framework for building custom AI applications and agents.

    Framework or platform Experimental Rarely now; consider it only if you already depend on it.

    ★ 5.3k Apache-2.0 Python Quiet, pushed 14 months ago
14. 14
    open-tutor-ai-CE Open-TutorAi

    An open-source project designed to provide an educational and collaborative AI-powered platform

    Complete system Experimental An education team wants to experiment with an AI tutor it can host.

    ★ 72 BSD-3-Clause JavaScript Slowing, pushed 4 months ago

Open-source alternatives to Pandas

1. 1
   Transformers huggingface

   🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

   Framework or platform Production-ready You want to load, run or fine-tune open models from the Hugging Face Hub in Python.

   ★ 168k Apache-2.0 Python Active, pushed today
2. 2
   Next.js vercel

   The React Framework

   Framework or platform Production-ready You build a React web app that needs SEO-friendly rendering and back-end routes in one project.

   ★ 143k MIT JavaScript Active, pushed today
3. 3
   Electron electron

   :electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

   Framework or platform Production-ready You want one web codebase to ship desktop apps for Windows, macOS and Linux.

   ★ 124k MIT C++ Active, pushed today
4. 4
   Three.js mrdoob

   JavaScript 3D Library.

   Building block Production-ready You need 3D graphics, product viewers or visualisations on the web.

   ★ 117k MIT JavaScript Active, pushed today
5. 5
   Tauri tauri-apps

   Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

   Framework or platform Production-ready You want Electron-style apps with much smaller binaries and lower memory use.

   ★ 112k Apache-2.0 Rust Active, pushed today
6. 6
   PyTorch pytorch

   Tensors and Dynamic neural networks in Python with strong GPU acceleration

   Framework or platform Production-ready You train or fine-tune neural networks.

   ★ 105k See repository Python Active, pushed today
7. 7
   Tailwindcss tailwindlabs

   A utility-first CSS framework for rapid UI development.

   Framework or platform Production-ready You build UIs in a component framework and want consistent styling without writing custom CSS files.

   ★ 98k MIT TypeScript Active, pushed today
8. 8
   Gin gin-gonic

   Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.

   Framework or platform Production-ready You build HTTP APIs in Go and want the most widely used framework with many examples.

   ★ 89k MIT Go Active, pushed 24 days ago