Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.
QuantConnect - QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
quantra - A public API for quantitative finance made with Quantlib
Quantopian - Your algorithmic investing platform
PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...