arb-tool is an open-source command-line interface for real-time arbitrage across prediction markets like Kalshi, Manifold, and Polymarket. It provides a terminal UI for monitoring and executing arbitrage opportunities.
arb-tool is a CLI tools & terminal product. It focuses on enabling real-time arbitrage opportunities across multiple prediction markets from the terminal. arb-tool is an open-source project aimed at prediction market traders and arbitrageurs. The project is open source (MIT). arb-tool is available on the command line.
It is developed by Miroslav Ondrousek, and the product first shipped in 2026. Across PulseGate's embedding index, arb-tool has few near neighbours, marking it as relatively distinct. Among its 4 catalogued features are Terminal UI, real-time arbitrage, and cross-platform support.
Latest indexed changes and source events
Other apps tracked under the same category.
