Market GitHub Repositories (2026) · Open Source Tools

A simple connector to Binance Public API

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

The largest open-source B2B cold outreach and email warmup service.

Open-source e-commerce platform for .NET 10 and MongoDB: multi-store, multi-vendor marketplace, B2B/B2C, headless REST API, Vue 3 storefront, Docker.

Dutch supermarket prices and comparison tool

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.

The official Go client library for the Massive REST and WebSocket API.

Run your real agent with and without your skills, MCPs, and rules. See which ones actually help, and what they cost in tokens. Supports Claude Code, Codex, Pi, and Hermes.

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.

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

Code samples and supplements for the Amazon Ads advanced tools center

Free and open-source webshop solution for hostings

Playwright for coding agents. Test that your skills, MCP servers, and CLIs actually work when an agent uses them — sandboxed YAML suites, A/B experiments, CI gates.

Probably the sharpest git repository organizer & rebase/merge workflow automation tool you've ever seen

A daily updated directory of developer, DevRel, cloud native, and platform engineering conferences taking place all over the world, separated by regions. It is an open source repository covering B2B SaaS, DevOps, and API events with dates, formats, and registration links.

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

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

Glanceable market data for macOS

AI industry-chain stock pool with US/A-share mapping, active discovery, policy pressure, and one-click deployment.

FMS, an agent-based Financial Market Simulator