Directory

7 tools

Alpaca (AlpacaDB, Inc.) · Financial analysis & investing

API-first US brokerage offering a Trading API, Market Data API and Broker API for stocks, ETFs, options and crypto, with paper trading

Apache-2.0FreemiumUsage-basedNov 2, 2026

Bloomberg Terminal

Bloomberg L.P. (FIGI Registration Authority) · Market & fundamentals data

Bloomberg's subscription workstation for market data, news, analytics, messaging and execution, with Excel integration and the BLPAPI library for C++, Java, .NET and Python

ProprietaryPaidEnterpriseLocalNov 2, 2026

Kraken API

Payward, Inc. (Kraken) · Financial analysis & investing

REST, WebSocket and FIX interfaces to the Kraken cryptocurrency exchange for market data, spot and derivatives trading and account management

ProprietaryFreeUsage-basedNov 2, 2026

PyPortfolioOpt

Robert Andrew Martin and contributors · Portfolio & wealth management

Python library for portfolio optimization: efficient frontier, Black-Litterman, hierarchical risk parity and discrete allocation

MITOpen sourceFreeLocalNov 2, 2026

Riskfolio-Lib

Dany Cajas · Portfolio & wealth management

Python library for quantitative portfolio optimization with many risk measures, robust estimators and hierarchical clustering models

BSD-3-ClauseOpen sourceFreeLocalNov 2, 2026

vectorbt

Oleg Polakow · Financial analysis & investing

Python library for vectorized backtesting and portfolio analysis built on pandas, NumPy and Numba, with a commercial PRO edition

Apache-2.0 WITH Commons-ClauseFreePaidLocalNov 2, 2026

Zipline Reloaded

Stefan Jansen (ML4Trading) · Financial analysis & investing

Community-maintained fork of Quantopian's Zipline, an event-driven Python backtester with data bundles and the Pipeline API

Apache-2.0Open sourceFreeLocalBroken

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