Bitcoin Core integration/staging tree
Open Source Billing a super simple way to create and send invoices and receive payments online.
The fundamental package for scientific computing with Python.
Statsmodels: statistical modeling and econometrics in Python
Scipy library main repository
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
The QuantLib C++ library
Django + Stripe Made Easy
Open-Source Subscription Billing & Payment Platform
A tool for developing smart contracts. Crafted with the finest cacaos.
Stripe iOS SDK
Stripe Android SDK
A framework agnostic, multi-gateway payment processing library for PHP 5.6+
Python interface to the Refinitiv Datastream (former Thomson Reuters Datastream)
Basic Development Environment - a set of foundational C++ libraries used at Bloomberg.
Plotting library for IPython/Jupyter Notebooks
Sample store accepting universal payments on the web with Stripe Elements, Payment Request, Apple Pay, Google Pay, Microsoft Pay, and the Sources API. 💳🌍✨
Portfolio and risk analytics in Python
Common financial risk and performance metrics. Used by zipline and pyfolio.
Python library to download market data via Bloomberg, Quandl, Yahoo etc.
Open source analytics and market risk library from OpenGamma
Interactive Widgets for the Jupyter Notebook
QuickFIX C++ Fix Engine Library
A community based Python library for quantitative economics