Pandas, Numpy, and SciPy users can now access our over 4M datasets

In plain words

Quandl provides access to over 4 million financial, economic, and alternative datasets for investment professionals. It integrates with popular Python libraries like Pandas, NumPy, and SciPy, enabling data analysis workflows. The platform serves as a centralized repository for market data, economic indicators, and alternative information sources used by traders, analysts, and researchers to inform investment decisions.

written from the facts on this page · September 2026

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  Quandl2015 · quandl.com · ▲151

  Universal API for financial data from 500+ sources

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  A high-performance TensorFlow library for quantitative finance2021 · github.com · ▲153

  High-performance TensorFlow library for quantitative finance. - google/tf-quant-finance

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  How to analyse 100 GB of data on your laptop with Python2019 · towardsdatascience.com · ▲264

  Your home for data science and AI. The world's leading publication for data science, data analytics, data engineering, machine learning, and artificial intelligence professionals.

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  Quantra.io, a quantitative finance API made with Quantlib2017 · quantra.io · ▲90

  Quantra: a derivatives pricing platform built on an open source C++ QuantLib engine, with a Python orchestration API and a web portal.

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  Quanty2024 · quanty.ai · ▲104

  AI powered market analysis platform with GraphQL API

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  Python for Data Analysis2016 · amazon.com · ▲72

  Pandas is the most common python library for data analytics

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  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 3d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 15d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 16d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 10d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 14d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 24d ago · space.bl2.net

• IM
  I'm building an open-source, high-frequency trading system▲301

  Dev tools · 2013 · scarcecapital.com

• CN
  Cap'n Proto, by the ex-maintainer of Protocol Buffers▲286

  Life & fun · 2013 · kentonv.github.com

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  Usability checklist – catch common problems before user testing▲216

  Website usability audit tool for AI. The 2013 checklist, resurrected for 2026. Copyable prompts to audit any website against proven UX principles.

  AI · 2013 · userium.com

• CJ
  Chardin.js, beautiful instructions for apps▲203

  Life & fun · 2013 · heelhook.github.com

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  vim-multiple-cursors - True Sublime Text style multiple selection▲191

  True Sublime Text style multiple selections for Vim - terryma/vim-multiple-cursors

  Life & fun · 2013 · github.com

• HS
  HN Store▲190

  Commerce · 2013 · hnstore.co