Portfolio Visualizer
QuantConnect
Backtrader
AmiBroker
MultiCharts
Composer
Backtrex
Build, test and analyze trading strategies and portfolios on stocks, ETFs, crypto, FX, futures and bonds. Institutional-grade backtesting, no code required.

Scikit-learn
Pandas
NumPy
OpenCV
Dataiku
Exploratory
Figure Eight
htm.java is a Hierarchical Temporal Memory implementation in Java, it provide a Java version of NuPIC that has a 1-to-1 correspondence to all systems, functionality and tests provided by Numenta's open source implementation.

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Website, pricing, platforms and company facts side by side.
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SL
SkewLab
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|---|---|---|
| Website | skewlab.io | github.com |
| Pricing | — | |
| Listed in |
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scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.
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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.
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Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.
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Backtrader is a complete and advanced python framework that is used for backtesting and trading.
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NumPy is the fundamental package for scientific computing with Python
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