Lean Algorithmic Trading Engine by QuantConnect (Python, C#)
Open-source C++17 engine for backtesting and forward execution, with a versioned C ABI and PineScript v6 through code generation. Against TradingView's own trade lists, all 7,989 graded probes (309 open-corpus strategies, 741 closed-test scripts, 18 market/timeframe lanes) grade excellent or strong: 7,905 excellent, 84 strong. Apache-2.0.
AI+金融（量化）：1.多因子股票量化框架开源教程 2.学界和业界的经典资料收录 3.AI + 金融的相关工作，包括LLM, Agent, benchmark(evaluation), etc.
Firefly III: a personal finances manager
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
OptionStratLib is a comprehensive Rust library for options trading and strategy development across multiple asset classes.
Cross-platform stock and portfolio tracker with Yahoo Finance charts and customizable dashboards. Built with Flutter.
Hyperswitch Encryption Service is an open source Encryption, Decryption and Key Management Service
High performance multithreaded task execution and optimization engine for agents and dweb apps
Hyperswitch Card Vault is an open-source sensitive information storage system built on Rust.
💸 An app created to help users manage a budget and purchases