1.ccxt / ccxt
A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust
+2,758 stars
from 41,909 · score 7.92
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2.hummingbot / hummingbot
Open source software that helps you create and deploy high-frequency crypto trading bots
+2,662 stars
from 18,239 · score 7.89
3.YichengYang-Ethan / oracle3-prediction-market-agent
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
+426 stars
from 134 · score 6.06