Market Data GitHub Repositories (2026) · Open Source Tools

A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust

Transparent and Efficient Financial Analysis

Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself

Finance terminal, in your terminal.

Event-driven algorithmic trading engine for .NET. Write a strategy once and run it unchanged in backtest, paper and live trading, deterministic, with fixed-point money and adapters for Binance, Bybit, OKX, Kraken, Bitget, Gate, KuCoin and Hyperliquid.

Direct connection engine for Interactive Brokers in Rust. No Java Gateway required. Ultra-low-latency orders and market data. Rust + Python (PyO3).

An unofficial Rust client for the Interactive Brokers TWS API. Async and blocking, for TWS and IB Gateway.

A simple connector to Binance Public API

Simple connector to Binance Public API

Framework for building trading systems

Intuitive Data Workflows

SDKs for CoinAPI & FinFeedAPI

Convenient access to tick-level real-time and historical cryptocurrency market data via Node.js

Simple GO connector to Binance API

The official Python client library for Databento

SIMD-accelerated columnar database for analytics — pure C, zero dependencies

⚡ Python library for getting publically available Mutual Funds data in India

Self-hosted, open-source financial data MCP server for AI agents — SEC filings, XBRL financials, 13F holdings, insider & congressional trades, short interest, FRED, CFTC/CBOE and daily prices across 64 MCP tools. Equibles Cloud adds earnings call transcripts, live quotes, options chains with Greeks, guidance and a screener.

C++23 client for Kalshi's Predictions API. Created from Kalshi's OpenAPI and AsyncAPI specs, it covers every REST operation and WebSocket channel. The WebSocket client reconnects and resubscribes. Optional transports add retries and rate limiting.

C#/.NET client library for the Bybit.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.