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KitchenOwl is a self-hosted grocery list and recipe manager. The backend is made with Flask and the frontend with Flutter. Easily add items to your shopping list before you go shopping. You can also create recipes and add items based on what you want to cook.
:chart_with_upwards_trend: 韭菜盒子插件，兼容 VS Code 生态编辑器。在你用 AI 专注于写代码的同时，它在后台实时且隐蔽地追踪着市场，绝不打断你的任何工作流。
Self-hosted crypto trading bot (automated high frequency market making) written in C++
An open-source, high-performance quantitative trading framework in C++/Python focused on strategy analysis and backtesting Trading model R&D · Ultra-fast engine · Efficient backtesting
Algorithmic Trading in Python with Machine Learning
TranslatedVibe-Research: A research workbench for China A-shares, US and HK stocks · watchlist and holdings, daily review, industry news, industry research, in-depth stock analysis, backtesting, research report library, 168 data endpoints. Supports Claude Code, Codex, WorkBuddy subscriptions or any model API.
股票量化框架，支持行情获取以及交易
Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
Cryptocurrency trading bot in javascript for Bitfinex, Bitmex, Binance, Bybit ... (public edition)
QuantStart.com - QSTrader backtesting simulation engine.
A cryptocurrency trading bot and framework supporting multiple exchanges written in Golang.
A javascript library for handling currencies
Statistical and Algorithmic Investing Strategies for Everyone
A self-hosted open source application for managing your invoices, clients and payments.
Extract data from a wide range of Internet sources into a pandas DataFrame.
Building a Secure and Interoperable Future for AI-Driven Payments.
A Python Finance Library that focuses on the pricing and risk-management of Financial Derivatives, including fixed-income, equity, FX and credit derivatives.
第三方支付对接全能支付Java开发工具包.优雅的轻量级支付模块集成支付对接支付整合（微信,支付宝,银联,友店,富友,跨境支付paypal,payoneer(P卡派安盈)易极付）app,扫码,网页刷脸付刷卡付条码付转账服务商模式,微信分账,微信合单支付、支持多种支付类型多支付账户，支付与业务完全剥离，简单几行代码即可实现支付，简单快速完成支付模块的开发，可轻松嵌入到任何系统里 目前仅是一个开发工具包（即SDK），只提供简单Web实现，建议使用maven或gradle引用本项目即可使用本SDK提供的各种支付相关的功能
QuantMind is an open source agent-native knowledge extraction and retrieval framework for quantitative finance.
Open Source AI trading agent that operates autonomously across 1000+ markets - Polymarket, Kalshi, Binance, Hyperliquid, Solana DEXs, 5 EVM chains. Scans for edge, executes instantly, manages risk while you sleep. Agent commerce protocol for machine-to-machine payments. Self-hosted. Built on Claude.
In-app purchases and subscriptions made easy. Support for iOS, watchOS, tvOS, macOS, and visionOS.
Free and Open Source Alternative to Splitwise. Share expenses with your friends and family.
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
Cryptocurrency Exchange Websocket Data Feed Handler