Discover the most starred and trending open source tools tagged with #finance.
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
TradingAgents: Multi-Agents LLM Financial Trading Framework
Autonomous LLM Trading Asterism — a research-only multi-agent trading platform with evidence-first research, an auditable console, Shadow simulation and explicitly authorized broker execution.
Lean Algorithmic Trading Engine by QuantConnect (Python, C#)
Firefly III: a personal finances manager
Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself
Apache Fineract
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
Your web application for managing personal data.
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
Stock Indicators for .NET is a C# NuGet package that transforms raw equity, commodity, forex, or cryptocurrency financial market price quotes into technical indicators and trading insights. You'll need this essential data in the investment tools that you're building for algorithmic trading, technical analysis, machine learning, or visual charting.
A simple app for tracking monthly spending and working towards financial goals.
The Firefly III Data Importer can import data into Firefly III
Modern plain text accounting. Beancount compatible.
Intuitive Data Workflows
MaverickMCP - Personal Stock Analysis MCP Server
Performance analytics, portfolio backtesting, risk analysis, and factsheet reporting in Python
PennyWise automatically reads transaction SMS messages and transforms them into organized financial data with on-device AI assistance. No manual entry, no cloud processing, complete privacy.
POS open-source, simple things only need simple solutions
Fast FIX protocol library for the JVM