The QuantLib C++ library
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 fundamental package for scientific computing with Python.
💸 An immutable library to create, calculate and format money.
Open source analytics and market risk library from OpenGamma
Bitcoin Core integration/staging tree
Django + Stripe Made Easy
Scipy library main repository
The most popular blockchain development framework
Statsmodels: statistical modeling and econometrics in Python
Plotting library for IPython/Jupyter Notebooks
Stripe iOS SDK
Zipline, a Pythonic Algorithmic Trading Library
Stripe Android SDK
Easy to use Python API wrapper to plot charts with matplotlib, plotly, bokeh and more
Interactive Widgets for the Jupyter Notebook
Open-Source Subscription Billing & Payment Platform
Sample store accepting universal payments on the web with Stripe Elements, Payment Request, Apple Pay, Google Pay, Microsoft Pay, and the Sources API. 💳🌍✨
Open Source Billing a super simple way to create and send invoices and receive payments online.
ffn - a financial function library for Python
R package interfacing the Bloomberg API from https://www.bloomberglabs.com/api/
A framework agnostic, multi-gateway payment processing library for PHP 5.6+
QuickFIX C++ Fix Engine Library
High Performance Inter-Thread Messaging Library