domain: fintech
692 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| jazzband/django-payments A Django library providing universal payment handling with pluggable backends for multiple payment providers such as Stripe, PayPal, Braint… | 67 | 1203 | active |
| gityuanbao/share A personal open-source repository whose main component is akshare_collector, a Python tool built on AKShare that collects Chinese financial… | 64 | 1201 | active |
| visualHFT/VisualHFT VisualHFT is an open-source Windows desktop application for real-time market microstructure analysis, visualizing live Level 2 order books,… | 77 | 1192 | active |
| alipay/alipay-easysdk Alipay Easy SDK is a multi-language server-side SDK (Java, C#, PHP, TypeScript, etc.) that provides a minimalist, factory-based API for acc… | 32 | 1188 | active |
| bitshares/bitshares-core BitShares Core is the node software and command-line wallet for the BitShares blockchain, a decentralized exchange (DEX) platform. It provi… | 53 | 1186 | active |
| michaelgrosner/tribeca Tribeca is a low-latency cryptocurrency market making trading bot written in TypeScript for Node.js, with a web UI, backtester, and connect… | 23 | 4116 | maintenance |
| highfestiva/finplot finplot is a performant Python library for plotting financial data like candlestick charts, built on pyqtgraph. It is designed for backtest… | 66 | 1180 | active |
| 1zilc/fishing-funds Fishing Funds is an open-source Electron menubar (status bar) application for tracking Chinese mutual funds, stock market indices, sector q… | 10 | 1178 | active |
| mtotschnig/MyExpenses MyExpenses is a GPL-licensed Android app for tracking personal expenses and income across multiple accounts. It supports recurring transact… | 68 | 1174 | active |
| JKorf/Binance.Net Binance.Net is a strongly typed C#/.NET client library for the Binance cryptocurrency exchange REST and WebSocket APIs. It supports Spot an… | 95 | 1172 | active |
| corda/corda Corda is an open-source blockchain/distributed ledger platform designed for business use, enabling interoperable networks that transact wit… | 67 | 4074 | maintenance |
| glink25/Cent Cent is a free, open-source collaborative bookkeeping (expense tracking) web app built as a pure-frontend PWA that stores ledger data as JS… | 62 | 1168 | active |
| evan-kolberg/prediction-market-backtesting A Python/Rust extension for Nautilus Trader providing backtesting tools for prediction market trading strategies, with a focus on Polymarke… | 52 | 1168 | active |
| saniales/golang-crypto-trading-bot A console-based cryptocurrency trading bot written in Go that connects to multiple exchanges via REST and websocket. It supports custom tra… | 50 | 1163 | active |
| kittendevv/Invio Invio is a self-hosted, open-source invoicing application built in TypeScript with a minimalist, zero-bloat philosophy. Users create invoic… | 84 | 1160 | active |
| rrag/react-stockcharts A React component library for building highly customizable stock and financial charts, built on top of d3. It supports multiple chart types… | 23 | 4016 | maintenance |
| davidfowl/tally Tally is a local rule engine CLI that classifies bank transactions from CSV exports using plain-English rules, designed to be driven by AI … | 64 | 1155 | active |
| quickfix-j/quickfixj QuickFIX/J is a full-featured, 100% Java messaging engine for the FIX protocol, supporting FIX 4.0 through FIXLatest and FIXT 1.1. It provi… | 94 | 1150 | stable |
| blendbyte/laravel-paypal A PayPal REST API client for Laravel that also works as a standalone PHP package, covering orders, payments, payouts, subscriptions, invoic… | 83 | 1150 | active |
| HammerGPT/Hyper-Alpha-Arena A self-hosted AI-powered crypto trading platform for Hyperliquid and Binance Futures perpetual contracts. It combines LLM-driven trading ag… | 54 | 1148 | active |
| shner-elmo/TradingView-Screener A Python package for building custom stock, crypto, forex, and CFD screeners using TradingView's official scanner API. It provides a SQL-li… | 92 | 1147 | active |
| Tucsky/aggr AGGR (SignificantTrade) is a Vue.js web application that aggregates live cryptocurrency trades from many exchanges (Binance, Coinbase, BitM… | 59 | 1142 | active |
| nutsfinance/tapio-eth Tapio is a DeFi liquidity aggregator protocol for self-pegging assets, implemented as a set of Ethereum smart contracts based on CurveFi's … | 55 | 1139 | active |
| vue-stripe/vue-stripe Vue Stripe is a Vue.js library wrapping Stripe Checkout and Stripe Elements in Vue 3 components and composables. It lets developers build t… | 94 | 1126 | active |
| whisper-money/whisper-money Whisper Money is a privacy-first, self-hostable personal finance application for tracking accounts, transactions, budgets, and spending ins… | 84 | 1113 | active |
| curvefi/curve-contract The official Vyper smart contracts powering Curve.fi's exchange liquidity pools on Ethereum. It includes pool templates, per-pool contract … | 43 | 1112 | active |
| moltlaunch/cashclaw CashClaw is an autonomous AI agent that connects to the Moltlaunch onchain marketplace, where it evaluates tasks, quotes prices, executes w… | 47 | 1102 | active |
| TrueBlocks/trueblocks-core TrueBlocks (chifra) is a local-first command-line tool suite and optional API server that indexes address appearances on Ethereum and other… | 79 | 1095 | active |
| man-c/pycoingecko A Python client library wrapping the CoinGecko API v3, supporting both the free Public API and the Pro API with API key authentication. It … | 32 | 1094 | active |
| Emsu/prophet Prophet is a Python microframework for financial markets analysis that lets programmers model trading strategies, manage portfolios, and ru… | 57 | 1093 | active |
| chubin/rate.sx rate.sx is a console (terminal) service for viewing realtime cryptocurrency and fiat exchange rates via curl or a browser. It supports curr… | 40 | 1092 | active |
| eshaham/israeli-bank-scrapers A TypeScript library providing scrapers for all major Israeli banks and credit card companies, published as the npm package israeli-bank-sc… | 96 | 1091 | active |
| VladSez/easy-invoice-pdf EasyInvoicePDF is a free, open-source invoice generator that runs entirely in the browser, offering live preview, instant PDF export, and f… | 77 | 1089 | active |
| sevtin/KSChart A Swift library for rendering candlestick (K-line) charts on iOS, with built-in technical indicators like MA, EMA, MACD, KDJ, BOLL, RSI, WR… | 44 | 1088 | stable |
| piotrostr/listen Listen is a Rust toolkit and framework for algorithmic trading on Solana, evolving into a framework for AI-driven crosschain portfolio mana… | 47 | 1085 | active |
| sharebook-kr/pykrx PyKrx is a Python library that scrapes stock and bond market data from the Korea Exchange (KRX) and Naver. It provides APIs for querying ti… | 76 | 1084 | active |
| kuestcom/prediction-market Kuest is an open-source, white-label prediction market platform (a Polymarket/Kalshi-style clone) built on Polygon with USDC settlement. Op… | 63 | 1083 | active |
| flutter-stripe/flutter_stripe The official Stripe Flutter SDK for building payment experiences in Flutter apps on Android, iOS, and web. It provides pre-built native UI … | 95 | 1081 | active |
| santoshlite/EigenLedger EigenLedger (formerly Empyrial) is an open-source Python library for quantitative investment portfolio backtesting, analysis, and optimizat… | 52 | 1081 | active |
| LightCountry/TokenPay TokenPay is a self-hosted blockchain payment solution written in C# that accepts TRX, USDT-TRC20, and ETH-series native coins and ERC20 tok… | 50 | 1080 | active |
| stripe/sync-engine A self-hosted service that syncs your Stripe account data (customers, subscriptions, payments) into a Postgres database. Built in TypeScrip… | 91 | 1078 | active |
| beam-community/stripity-stripe An Elixir library providing a client for the Stripe payment processing API. It supports configurable API keys, per-request API version pinn… | 93 | 1075 | active |
| shidenggui/easyquant Easyquant is a Python quantitative trading framework for Chinese stock markets, built on easytrader and easyquotation with an event engine … | 38 | 3668 | maintenance |
| Finnhub-Stock-API/finnhub-python The official Python client library for the Finnhub API, which provides institutional-grade financial data including real-time stock prices,… | 72 | 1070 | active |
| chronoxor/CppTrader CppTrader is a C++ library of high-performance components for building trading platforms, including an ultra-fast matching engine, order bo… | 74 | 1067 | active |
| range-of-motion/budget Budget is an open-source, self-hostable web application for tracking personal finances, built with Laravel and Vue. It supports transaction… | 23 | 1067 | active |
| openops-cloud/openops OpenOps is an open-source, no-code FinOps automation platform that helps organizations reduce cloud costs through customizable workflows fo… | 82 | 1064 | active |
| whchien/ai-trader A config-driven backtesting framework for algorithmic trading built on Backtrader, with 20+ built-in strategies and multi-market support (U… | 67 | 1062 | active |
| stripe-samples/checkout-one-time-payments An official Stripe sample demonstrating how to integrate Stripe Checkout to collect one-time payments via a hosted payment page. It include… | 71 | 1060 | active |
| awa/go-iap go-iap is a Go library for verifying in-app purchase receipts across the Apple App Store, Google Play Store, Amazon AppStore, Huawei HMS, a… | 95 | 1055 | active |
| hpyhacking/peatio Peatio is an open-source cryptocurrency exchange platform built with Ruby on Rails, featuring a high-performance matching engine, WebSocket… | 64 | 3600 | maintenance |
| ApeWorX/ape Ape Framework is a Python-based Web3 development framework for compiling, testing, deploying, and interacting with smart contracts from a s… | 99 | 1053 | active |
| sunnisis/ixrail ixrail AgentPay is a VS Code extension that gives local AI agents a wallet, spending policy, authenticated broker, x402 payment flow, and s… | 67 | 1049 | active |
| cknow/laravel-money A Laravel package that wraps MoneyPHP to provide money and currency value objects with arithmetic, comparison, and locale-aware formatting.… | 77 | 1044 | active |
| getpaykit/paykit PayKit is an open-source embedded billing framework for TypeScript applications that lets you define plans, features, and metered usage in … | 74 | 1041 | active |
| star23/Day1Global-Skills A collection of investment analysis skills for AI agents, covering tech earnings deep dives, Buffett-style value investing, US market senti… | 59 | 1040 | active |
| trezor/trezor-suite Trezor Suite is the official desktop, web, and mobile application for managing Trezor hardware wallets, enabling users to send, receive, bu… | 95 | 1039 | active |
| TheSnowGuru/PyTrader-python-mt4-mt5-trading-api-connector-drag-n-drop PyTrader is a Python API connector that links Python trading scripts with MetaTrader 4 and MetaTrader 5 via a drag-and-drop Expert Advisor … | 41 | 1039 | active |
| braintree/credit-card-type A small JavaScript/TypeScript utility library that identifies credit card brand types from full or partial card numbers, supporting type-as… | 74 | 1038 | stable |
| PandaAI QuantFlow PandaFactor is a Python quantitative factor library for financial data analysis, technical indicator computation, and alpha factor construc… | 25 | 1037 | active |
| juanjuandog/FinSight-AI FinSight AI is an open-source equity research workspace for A-share companies that turns market data, filings, and financial metrics into s… | 59 | 1034 | active |
| stripe-archive/jquery.payment A deprecated jQuery plugin by Stripe for building credit card payment forms, providing input formatting and client-side validation of card … | 10 | 3508 | maintenance |
| freqtrade/technical A Python library of technical analysis indicators and utilities built as a companion to the Freqtrade trading bot. It aggregates custom and… | 89 | 1030 | active |
| RoboSats/robosats RoboSats is a simple and private peer-to-peer bitcoin exchange that uses Lightning hold invoices as bonds and escrow to minimize custody an… | 99 | 1028 | active |
| CyberPunkMetalHead/Binance-volatility-trading-bot A Python trading bot for Binance that monitors price volatility across all USDT coin pairs and automatically buys the most volatile coins, … | 32 | 3493 | maintenance |
| AlexWan/OsEngine OsEngine is an open-source algorithmic trading platform written in C# that bundles a robot-creation layer, historical data downloader (OsDa… | 85 | 1022 | active |
| didi/mand-mobile Mand Mobile is a mobile UI component toolkit built on Vue.js 2, designed specifically for financial scenarios like banking and payment apps… | 10 | 3453 | maintenance |
| tempoxyz/tempo Tempo is a Rust-based blockchain purpose-built for stablecoin payments, built on the Reth EVM execution SDK with sub-second finality via Si… | 82 | 1016 | active |
| vollib/vollib Vollib is a Python library for fast and accurate option pricing, implied volatility, and greeks calculations using Black, Black-Scholes, an… | 32 | 1016 | active |
| ctpbee/ctpbee ctpbee is a Python micro-framework for live and backtested futures trading via the CTP interface used by Chinese futures exchanges. It wrap… | 76 | 1010 | active |
| uniswap-python/uniswap-python An unofficial Python client and wrapper for the Uniswap decentralized exchange, supporting v1 through v4 plus popular forks like Sushiswap … | 86 | 1009 | active |
| PaulRBerg/prb-math PRBMath is a Solidity library for advanced fixed-point arithmetic using signed SD59x18 and unsigned UD60x18 number formats with 18 decimals… | 89 | 1006 | stable |
| Uniswap/v2-core The core smart contracts of Uniswap V2, a decentralized exchange protocol on Ethereum. It contains the audited Solidity contracts for the a… | 74 | 3348 | maintenance |
| tradytics/eiten Eiten is an open-source Python toolkit for building statistical and algorithmic investment portfolios, implementing strategies like Eigen P… | 32 | 3290 | maintenance |
| paradigmxyz/artemis Artemis is a Rust framework for writing MEV (maximal extractable value) bots, architected as an event processing pipeline with three compon… | 30 | 2959 | maintenance |
| jamesmawm/High-Frequency-Trading-Model-with-IB A Python trading model that implements pairs trading and mean-reversion strategies on high-frequency data via the Interactive Brokers API. … | 34 | 2919 | maintenance |
| serversideup/financial-freedom Financial Freedom is a self-hosted, open-source personal finance and budgeting application built with Laravel and Vue, designed as a privac… | 59 | 2918 | maintenance |
| Pay-Group/best-pay-sdk A Java SDK that unifies Alipay and WeChat Pay integration behind a simple API, letting developers implement payments in about ten lines of … | 23 | 2914 | maintenance |
| viabtc/viabtc_exchange_server ViaBTC Exchange Server is a high-performance cryptocurrency exchange trading backend written in C, capable of processing up to 10,000 trade… | 32 | 2784 | maintenance |
| Aircoin-official/AirCash AirCash is a decentralized OTC (over-the-counter) platform implemented in Solidity that lets users buy and sell cryptocurrency with fiat mo… | 32 | 2727 | maintenance |
| amaroteam/react-credit-cards A React component that renders animated, visually polished credit card previews for payment forms. It syncs with form inputs to display car… | 23 | 2623 | maintenance |
| exchange-core/exchange-core An ultra-fast order matching engine core for exchanges written in Java, built on LMAX Disruptor, Agrona, Eclipse Collections, and OpenHFT. … | 23 | 2605 | maintenance |
| maxme/bitcoin-arbitrage A Python CLI tool that fetches order books from multiple Bitcoin exchanges and detects arbitrage opportunities between markets, accounting … | 32 | 2585 | maintenance |
| fixerAPI/fixer Fixer is a hosted JSON API providing current and historical foreign exchange rates and currency conversion for 170 world currencies, includ… | 32 | 2549 | maintenance |
| shirosaidev/stocksight stocksight is an open-source Python application that analyzes stock market sentiment using Twitter streams and news headlines, storing data… | 23 | 2530 | maintenance |
| blankly-finance/blankly Blankly is a Python framework for building, backtesting, paper trading, and deploying algorithmic trading strategies across stocks, crypto,… | 23 | 2465 | maintenance |
| YYKline YYKline is an Objective-C library for drawing stock candlestick (K-line) and time-sharing charts on iOS and macOS. It supports common techn… | 23 | 2454 | maintenance |
| anandanand84/technicalindicators A JavaScript/TypeScript library of technical analysis indicators (SMA, EMA, RSI, MACD, Bollinger Bands, ADX, etc.) for stock and crypto tra… | 23 | 2452 | maintenance |
| andredumas/techan.js TechanJS is a JavaScript library for visual technical analysis and financial charting built on D3. It renders interactive candlestick, OHLC… | 23 | 2435 | maintenance |
| decaywood/XueQiuSuperSpider A Java 8 web scraping framework for collecting stock data from Xueqiu (Snowball) and other Chinese financial sites. It is built around comp… | 32 | 2433 | maintenance |
| helei112g/payment A PHP SDK that aggregates third-party payment gateways (WeChat Pay, Alipay, China Merchants Bank) behind a unified client interface. It sim… | 23 | 2352 | maintenance |
| ranaroussi/qtpylib QTPyLib is an event-driven algorithmic trading library in Python supporting backtesting, paper, and live trading via Interactive Brokers. I… | 10 | 2267 | maintenance |
| peerchemist/finta FinTA is a Python library implementing over 80 common financial technical indicators (SMA, EMA, MACD, RSI, Bollinger Bands, etc.) on top of… | 10 | 2263 | maintenance |
| MetaGLM/FinGLM FinGLM is an open, community-driven financial LLM project centered on a dialog-based question-answering system that analyzes Chinese listed… | 27 | 2258 | maintenance |
| Turing-Project/AntiFraudChatBot A prompt-based Chinese conversational AI framework that connects a fine-tuned large language model (YUAN-1.0) to WeChat via the wechaty fra… | 22 | 2220 | maintenance |
| ProsusAI/finBERT FinBERT is a pre-trained BERT language model further trained on financial text and fine-tuned for financial sentiment classification. It is… | 32 | 2217 | maintenance |
| flashbots/simple-arbitrage An example TypeScript arbitrage bot that discovers, evaluates, and submits arbitrage bundles to the Flashbots relay on Ethereum. It serves … | 32 | 2111 | maintenance |
| compound-finance/compound-protocol The Compound Protocol is an Ethereum smart contract system for decentralized lending and borrowing of crypto assets. Accounts supply Ether … | 23 | 2037 | maintenance |
| guanshuicheng/invoice A Flask-based OCR microservice that recognizes Chinese VAT invoices (electronic, regular, and special) using a YOLOv3 + CRNN + CTC deep lea… | 32 | 1982 | maintenance |
| tjfoc/gmsm A Go library implementing the Chinese national cryptography standards SM2 (elliptic curve), SM3 (hash), and SM4 (block cipher). It supports… | 23 | 1963 | maintenance |