01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
Finance & Quant
Lumina Finance
Lumina Finance is a self-hosted personal finance application that tracks expenses, analyzes spending behavior.
ClearLedger
ClearLedger is open-source invoice-finance infrastructure on Stellar, combining Soroban smart contracts, a Next.js app, TypeScript SDK and CLI.
ta.py
ta.py is a zero-dependency pure-Python technical analysis library offering 151 indicators with full type hints, requiring no NumPy, pandas, or compilation.
TA-Lib
TA-Lib implements 200+ technical indicators and candlestick patterns with batch and streaming APIs and native bindings in C, Rust, Java, and C#.
Aurelio
Aurelio is a self-hosted personal finance and wealth-management app with an optional AI advisor via OpenRouter, running locally to keep data on your machine.
FinanceHarness
An autonomous financial research framework that gathers evidence, performs valuation and risk calculations.
openctp
Provides CTPAPI-compatible interfaces for multiple Chinese brokerage trading gateways and a 24/7 simulation environment covering futures, A-shares, funds.
TradingChart
Native SwiftUI trading charts for iOS featuring candlesticks, technical indicators, crosshairs, drawing tools.
northstar
An open-source quantitative trading platform supporting strategy research, historical replay, and automated trading for futures, stocks, forex, and crypto.
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An AI-native desktop workbench for A-share market analysis that aggregates sources, structures themes and sentiment data.
KunQuant Compiler
KunQuant is a compiler and executor that transforms financial factor expressions into optimized code, originally built for Alpha101 and Alpha158. Notable for its specialized optimization approach including AVX512 support, it targets quant researchers needing efficient batch factor computation.
Program Garden
ProgramGarden is a no-code node-based platform for building automated trading strategies, supporting Korean stocks and overseas futures via LS Securities. The AGPL-licensed project targets retail algorithmic traders in Korean markets.
Intro to Quant
Introduction-to-Quantitative-Finance is a Chinese open-source knowledge base combining multi-factor investment frameworks, AI+finance paper tracking, and curated learning resources. It serves students and researchers seeking structured quantitative finance education with academic depth.
Libitofin
libitofin is a Rust port of QuantLib offering pricing, risk, and numerical methods with Python and Go bindings. It provides a memory-safe, high-performance alternative to the C++ original, though APIs remain unstable pre-1.0.
AI Stock Dashboard
makeev/alphai-tui is an open-source, Bloomberg-style stock dashboard for the terminal built as a single Rust binary on ratatui, combining live quotes, candlestick charts, AI-scored news, SEC Form 4 filings, and earnings analysis. It is notable for integrating market data with AI-generated explanations of price movement in a focused, browser-free workspace.
Stochastic Finance Library
rust-dd/stochastic-rs is a quantitative finance library for Rust and Python providing over 130 stochastic processes, option pricing, calibration, and risk tools with SIMD, CUDA, and Metal acceleration. It is notable for deep engineering breadth and Python bindings matching the Rust API surface.
Index Constituents Tool
Index-constituents is a tool for retrieving current and historical stock index constituents, with symbols aligned to Yahoo Finance. It is notable as a focused, useful resource for quant researchers needing index membership data.
Wickra Technical Indicators
Wickra provides streaming-first technical indicators implemented in Rust with Python, Node.js, and WebAssembly bindings, plus a C ABI. It offers O(1) per-tick updates and serves as a drop-in TA-Lib replacement with no system dependencies.
QuantStats Portfolio Analytics
QuantStats is a Python library for portfolio performance analysis, risk metrics, and tear-sheet reports. It is notable as a widely adopted, actively maintained tool for quantitative portfolio managers.
XQShare Remote Execution
XQShare is a lightweight remote execution solution that lets macOS/Linux users call xtquant-style APIs from Python against a Windows-hosted QMT client. It stands out for transparent, authenticated remote access to Chinese quant trading infrastructure.
Polymarket Trading Bot
A retired Python bot that market-made and arbitraged Polymarket sports markets by de-vigging sportsbook odds and hedging. Notable for its real on-chain trading history, finishing about $5k net on a public wallet.
Intraday Stock Scanner
A real-time intraday stock scanner for US equities that streams 1-minute bars and displays configurable alerts in a customizable browser dashboard. Notable for running locally with user-provided Alpaca or Schwab data, with no subscription or telemetry.
Options Gamma Dashboard
An open-source, self-hosted options analytics dashboard tracking dealer gamma exposure, max pain, open interest, and IV surfaces. Notable for storing historical snapshots, enabling analysis that live-chain-only tools cannot provide.
Chan Python Framework
An open-source Python framework implementing Chan theory for Chinese market technical analysis, supporting morphology and dynamics buy/sell point calculation across multiple timeframes. Notable for its practical scope and active development among Chinese traders.
A-Share Quant Framework
A collection of Chinese A-share quantitative tools including the free Ashare market data API, a free tushare token, and a MiniQMT plus XtQuant local trading framework. Notable for providing a low-cost, privacy-focused path to real-money automated trading for individual A-share investors.
AI Trading Assistant
A self-hosted AI market monitoring assistant for A-shares, HK, and US stocks that integrates the TradingAgents multi-agent framework for portfolio analysis and decision reports. Notable for combining real-time monitoring, holdings management, and multi-channel alerts with AI-driven investment reasoning.
AI Investment Studio
An open-source, AI-native trading analysis and automation system where users compose visual workflows for market signal analysis and portfolio actions. Notable for its workflow-based approach to building custom AI trading systems with approval and broker integration, though still early-stage.
Portfolio Risk Management
Portfolio Construction and Risk Management book's Python code.
Actual Budget iOS
iOS client for Actual Budget
AI Marketing Skills
Open-source AI marketing skills β growth experiments, sales pipeline, content ops, outbound, SEO, and finance automation
Investor Skills Library
Investor Skills is an open-source library that turns durable investing judgment into portable, structured formats. It collects how great investors think, filter opportunities, size risk, and act under uncertainty β then structures those patterns so humans can study them and AI finance agents can apply them.
ICT MQ5 Library
ICT Concept OSS Library for MQ5/MT5
Market Research Dashboard
A single-screen real-time market dashboard for financial and industrial research: covering global indices (A-share/HK/US), commodities, treasury yields, sector hotspots, capital flows, 24/7 news, industry-chain watchlists, and AI token tracking.
Aurum Finance OS
Self-hosted personal finance OS β cash flow, net worth, budgets, and every income stream you own. Free for personal use.
Macrosynergy Quant Research
Macrosynergy is a Python package for financial market research and trading strategy development using J.P. Morgan Macrosynergy Quantamental System (JPMaQS) data formats. It provides seven subpackages for data download, management, and analysis, and is actively maintained by the organization.
OpenCharts Trading Platform
OpenCharts is an open-source browser-based trading terminal requiring no backend or signup, with charting, drawing tools, indicators, watchlist, depth-of-market, order ticket, and paper trading. It is notable as a self-hosted TradingView alternative with a PineScript transpiler and multi-exchange support.
TDX API Parser
gotdx is a Go library for the TDX market data protocol, covering snapshots, K-lines, intraday data, ticks, F10, financials, and sector queries. It includes address pooling, retries, host speed testing, and a built-in web viewer.
Tiger Open API SDK
The Tiger Brokers OpenAPI Python SDK provides market data, trading, account management, and real-time push via WebSocket. It also includes CLI tools, an MCP server, and AI skills for programmatic and AI-assisted trading.
QAExchange Trading System
qaexchange-rs is a Rust-based high-performance quantitative exchange system and self-developed database for QUANTAXIS. It is production-ready, featuring secondary indexing with under 10-microsecond query latency, ZSTD/LZ4/Snappy compression, asynchronous WAL persistence over 200K ops/s, TLS 1.3, and Prometheus/OpenTelemetry observability.
Algo Trading Engine
the0 is an open-source algorithmic trading execution engine for deploying bots across markets, supporting strategies in Python, TypeScript, Rust, C++, C#, Scala, and Haskell. It provides self-hosted deployment, real-time monitoring, and React dashboards; beta status.