Open-source fintech software
684 open-source libraries, tools and applications tagged fintech, ranked by how closely fintech is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
684 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| scrtlabs/catalyst Catalyst is a Python algorithmic trading library for crypto-assets, built as an extension of Quantopian's Zipline. It supports backtesting … | 10 | 2559 | abandoned |
| achillesrasquinha/bulbea A Python library for stock market prediction and modelling using deep learning, built on TensorFlow with RNN models for price forecasting a… | 32 | 2334 | abandoned |
| TradingVue.js TradingVue.js is a hackable Vue.js charting library for traders, allowing custom overlays, drawing tools, and indicators on top of candlest… | 23 | 2304 | abandoned |
| card.io card.io is an iOS SDK that provides fast, easy credit card number scanning using the device camera in mobile apps. It ships as a static lib… | 10 | 2288 | abandoned |
| Balanced The web dashboard for Balanced, a payments processing platform, built as a JavaScript single-page application. It let merchants manage paym… | 23 | 2260 | abandoned |
| FinanceReactNative A deprecated React Native clone of Apple's iOS Stocks app that displays stock quotes and charts using data from Yahoo Finance. It runs on b… | 23 | 2072 | abandoned |
| paco0x/amm-arbitrageur A Solidity smart contract and demo bot that performs arbitrage between Uniswap V2-style AMMs (e.g., Uniswap, SushiSwap, PancakeSwap) using … | 10 | 1994 | abandoned |
| card.io card.io is an Android SDK that provides fast credit card scanning using the device camera, with OCR-based number recognition and a manual e… | 10 | 1993 | abandoned |
| owocki/pytrader pytrader is a cryptocurrency trading robot that uses machine learning classifiers (sklearn, pybrain) to predict price movements and execute… | 32 | 1961 | abandoned |
| notadamking/RLTrader RLTrader is a Python library providing a cryptocurrency trading environment built on OpenAI's gym, using deep reinforcement learning to tra… | 23 | 1867 | abandoned |
| AdaptiveConsulting/ReactiveTraderCloud Reactive Trader is a real-time FX trading platform showcase demonstrating reactive programming principles across the full stack, built with… | 38 | 1857 | abandoned |
| QuantFans/quantdigger QuantDigger is a Python-based quantitative trading backtesting framework for stocks and futures, with strategy syntax inspired by commercia… | 32 | 1818 | abandoned |
| naoufal/react-native-payments A React Native library for accepting payments via Apple Pay and Google Pay using the Payment Request API. It is no longer maintained, and t… | 23 | 1614 | abandoned |
| rainx/pytdx pytdx is a Python library implementing the TongDaXin (TDX) network protocol to fetch Chinese stock market data such as quotes, K-line bars,… | 10 | 1551 | abandoned |
| benitoro/stockholm A Python framework that crawls Shanghai and Shenzhen A-share stock market data from Yahoo YQL and Sina Finance, and tests stock-picking str… | 32 | 1529 | abandoned |
| deependersingla/deep_trader A Python research project applying deep reinforcement learning (DQN and policy gradient methods) to stock market trading, exploring whether… | 32 | 1506 | abandoned |
| stripe-archive/stripe-payments-demo A sample e-commerce store demonstrating how to accept payments on the web with Stripe Elements, the PaymentIntents API, and the Sources API… | 10 | 1496 | abandoned |
| yahoo-finance/yahoo-finance A Python module for fetching stock quotes and historical price data from Yahoo! Finance's public API. It provides a simple Share class for … | 23 | 1452 | abandoned |
| osbzr/gooderp_addons GoodERP is an open-source ERP system forked from Odoo 10 Community Edition, localized for Chinese users with finance, accounting, SCM, and … | 32 | 1338 | abandoned |
| alexgolec/tda-api An unofficial Python wrapper around the TD Ameritrade HTTP and streaming APIs, offering authentication, quotes, historical pricing, options… | 23 | 1328 | abandoned |
| AutoTrader AutoTrader is a Python-based platform for developing, backtesting, optimising and deploying automated trading systems across forex, crypto … | 10 | 1275 | abandoned |
| LN-Zap/zap-desktop Zap Desktop is a cross-platform Lightning Network wallet for Bitcoin built with Electron, React, and Redux, focused on user experience and … | 10 | 1252 | abandoned |
| wardbradt/peregrine A Python library that detects cryptocurrency arbitrage opportunities across 120+ exchanges in ~50 countries using graph algorithms like Bel… | 10 | 1249 | abandoned |
| Polymarket/py-clob-client A Python client library for the Polymarket Central Limit Order Book (CLOB), enabling programmatic trading on prediction markets via the Pol… | 10 | 1231 | abandoned |
| bitcoinvsalts/node-binance-trader Node Binance Trader (NBT) is a TypeScript framework for building cryptocurrency trading strategies and managing portfolios on the Binance e… | 23 | 1222 | abandoned |
| mintapi/mintapi An unofficial Python library and CLI that screen-scrapes Mint.com using Selenium/WebDriver to programmatically retrieve account, transactio… | 32 | 1199 | abandoned |
| foolcage/fooltrader fooltrader is a Python quantitative analysis and trading framework that crawls, cleans, and structures market data (stocks, futures, forex,… | 23 | 1198 | abandoned |
| andreroggeri/pynubank pynubank is a Python library for accessing Nubank account statements and credit card data through unofficial APIs. It supported authenticat… | 56 | 1197 | abandoned |
| jito-labs/mev-bot A TypeScript bot that performs backrun arbitrage on Solana by monitoring the Jito mempool for large trades and executing circular arbitrage… | 36 | 1196 | abandoned |
| tipsi/tipsi-stripe A React Native binding for the Stripe payment SDK supporting iOS and Android, including Apple Pay. It is explicitly no longer maintained in… | 10 | 1135 | abandoned |
| Gratipay Gratipay was a web platform that let companies and individuals pay for open source work through recurring donations. This repository contai… | 10 | 1123 | abandoned |
| Aave Protocol The core Solidity smart contracts and market configuration for Aave Protocol V3, a decentralized non-custodial liquidity protocol for suppl… | 10 | 1117 | abandoned |
| Nebula Nebula 1.x is an open-source business risk-control (anti-fraud) platform that captures traffic out-of-band via OpenResty and analyzes it in… | 10 | 1098 | abandoned |
| FuelLabs/swayswap SwaySwap is a decentralized exchange (DEX) demo application built on the Fuel modular execution layer, written in Sway smart contracts with… | 10 | 1073 | abandoned |
| zuiwuyuan/WeChatPswKeyboard An Android library that replicates WeChat's numeric payment/password keyboard as a customizable custom view. It can be restyled to mimic ot… | 32 | 1071 | abandoned |
| richox/okcoin-leeks-reaper A high-frequency trading bot for the OKCoin Bitcoin exchange, written in Groovy, combining a trend-following strategy with a position-balan… | 32 | 1039 | abandoned |
| goat-sdk/goat GOAT is the largest agentic finance toolkit for AI agents, providing 200+ tools that let agents send payments, trade crypto, earn yield, an… | 59 | 1009 | abandoned |
| Anoma Anoma is the reference implementation of the Anoma protocol, a distributed operating system that abstracts existing blockchains into config… | 78 | 33575 | active |
| CockroachDB CockroachDB is a cloud-native distributed SQL database built on a transactional, strongly-consistent key-value store, written in Go. It sca… | 76 | 32555 | stable |
| Apache Seata Apache Seata (incubating) is an open-source, high-performance distributed transaction solution for microservices architectures. It provides… | 77 | 26008 | stable |
| Monero Monero is the reference implementation of the Monero (XMR) privacy-focused cryptocurrency, including the full node daemon (monerod), wallet… | 88 | 10865 | active |
| antiwork/gumroad The open-source codebase of Gumroad, an e-commerce platform that lets creators sell digital products, memberships, and courses directly to … | 84 | 9982 | active |
| immudb immudb is an open-source immutable database written in Go that stores data in SQL, key-value, or document models while guaranteeing tamper-… | 92 | 9042 | stable |
| Opensabre Microservice Platform Opensabre is a microservices development platform built on Spring Cloud 2023, integrating Spring Security, Spring Cloud Alibaba (Nacos, Sen… | 75 | 8942 | active |
| Senparc.Weixin .NET SDK Senparc.Weixin is a comprehensive C# SDK for all WeChat platforms, covering Official Accounts, Mini Programs, Mini Games, WeChat Pay, WeCom… | 96 | 8906 | active |
| MystenLabs/sui Sui is a next-generation Layer 1 smart contract blockchain platform written in Rust, featuring high throughput, low latency, and an asset-o… | 96 | 7784 | active |
| Enso Analytics Enso Analytics is a self-service data preparation and analysis platform for data teams, built on a hybrid visual/textual functional program… | 84 | 7442 | active |
| wagmi Wagmi is a type-safe, modular TypeScript library of reactive primitives (React hooks, Vue composables, Solid primitives, and framework-agno… | 96 | 6762 | active |
| Optimism Optimism is the open-source OP Stack, a modular software stack for deploying Ethereum Layer 2 optimistic rollup blockchains such as OP Main… | 96 | 6481 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| changmingxie/tcc-transaction tcc-transaction is a Java framework implementing TCC (Try-Confirm-Cancel) distributed transactions for microservice architectures. It coord… | 23 | 5758 | stable |
| AI4Finance-Foundation/ElegantRL ElegantRL is a lightweight, modular deep reinforcement learning library built on PyTorch that implements core model-free RL algorithms (PPO… | 50 | 4368 | active |
| Universal Commerce Protocol The Universal Commerce Protocol (UCP) is an open standard and specification for interoperable, agentic commerce, defining capabilities like… | 77 | 3420 | active |
| sqshq/piggymetrics PiggyMetrics is a personal financial advisor application built as a reference implementation of the microservice architecture pattern using… | 23 | 13965 | maintenance |
| margelo/react-native-graph A React Native library for rendering beautiful, high-performance animated line graphs using the Skia 2D graphics engine. It supports smooth… | 93 | 2637 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| Apache Geode Apache Geode is a distributed in-memory data management platform (originally GemFire) providing real-time, consistent, low-latency access t… | 93 | 2385 | stable |
| xrpcommunity/XRP-community-wallet A non-custodial, open-source web wallet for XRP Ledger and EVM networks, built by the community. Keys and seed phrases are encrypted and st… | 69 | 2305 | active |
| OpenSPG/openspg OpenSPG is a knowledge graph engine built on the SPG (Semantic-enhanced Programmable Graph) framework, developed by Ant Group with OpenKG. … | 35 | 2252 | active |
| OSQP OSQP is a C library for solving convex quadratic programs using an ADMM-based operator splitting method, with interfaces to Python, Julia, … | 47 | 2201 | stable |
| sparrowwallet/sparrow Sparrow is a free, open-source desktop Bitcoin wallet application built in Java with a focus on security, privacy, and transparency. It sup… | 97 | 2150 | active |
| trezor/trezor-firmware The official open-source firmware monorepo for Trezor hardware wallets, containing firmware for Trezor One and Trezor T/Safe devices, a sta… | 76 | 1837 | active |
| Gitcoin Gitcoin's web application, the codebase behind gitcoin.co, a platform for funding open source software through bounties, grants, and quadra… | 23 | 1825 | active |
| agentic-commerce-protocol/agentic-commerce-protocol The Agentic Commerce Protocol (ACP) is an open specification, maintained by OpenAI and Stripe, defining how AI agents, buyers, and business… | 56 | 1562 | active |
| cossacklabs/acra Acra is a database security suite that provides field-level encryption, searchable encryption, tokenization, data masking, SQL firewalling,… | 54 | 1493 | active |
| MiroShark/MiroShark MiroShark is a universal swarm-intelligence engine that turns any document or scenario into a simulated world: it builds a Neo4j knowledge … | 60 | 1476 | active |
| GoogleCloudPlatform/bank-of-anthos Bank of Anthos is a sample HTTP-based web application that simulates a retail bank's payment processing network, letting users create accou… | 89 | 1463 | active |
| stellar/go-stellar-sdk The official Go SDK for the Stellar blockchain network, maintained by the Stellar Development Foundation. It provides transaction building,… | 95 | 1383 | active |
| ravikiranvm/aws-finops-dashboard A Python-based terminal dashboard for AWS cost monitoring built with the Rich library. It shows multi-account spend summaries, service-leve… | 51 | 1281 | active |
| BankrBot/skills A collection of plug-and-play 'skills' (mostly shell-based tool packages) that equip AI agents with capabilities like Uniswap trading, bloc… | 61 | 1203 | active |
| timestored/qstudio qStudio is a free, open-source desktop SQL client and notebook for browsing servers, running queries, and charting or exporting results acr… | 60 | 1097 | active |
| openkoda/openkoda Openkoda is an open-source business application platform built on Java 17 and Spring Boot that accelerates development of enterprise system… | 30 | 1038 | active |
| fslaborg/Deedle Deedle is an easy-to-use .NET library for data frame and time series manipulation, designed for exploratory scientific programming in F# an… | 77 | 1006 | active |
| chanxuehong/wechat A Go SDK for WeChat (Weixin) covering the Official Account platform (mp) and the Merchant/Pay platform (mch). It provides core package abst… | 72 | 2674 | maintenance |
| liyiorg/weixin-popular A Java SDK implementing the WeChat platform APIs across the Official Account, Open Platform, Merchant (Pay), and Service Provider platforms… | 23 | 2485 | maintenance |
| omz/AppSales-Mobile An iOS app that lets iPhone and Mac App Store developers download and analyze their daily and weekly sales reports from iTunes Connect. It … | 32 | 1884 | maintenance |
| zwczou/weixin-python A Python SDK for WeChat (Weixin) that bundles WeChat login, official account management, payments, and message handling. It integrates with… | 32 | 1679 | maintenance |
| spiral-project/ihatemoney I hate money is a self-hosted web application for managing shared budgets, tracking who bought what and for whom, and computing how to sett… | 87 | 1392 | maintenance |
| Chatbot_CN Chatbot_CN is a Chinese multi-turn, task-oriented chatbot platform targeting the finance and legal domains (with chitchat support), combini… | 32 | 1291 | maintenance |
| SelfExplainML/PiML-Toolbox PiML is a Python toolbox for developing, diagnosing, and validating inherently interpretable machine learning models such as GLMs, GAMs, de… | 25 | 1286 | maintenance |
| Exonum Exonum is an extensible open-source Rust framework for building private, permissioned blockchain applications with a custom Byzantine fault… | 23 | 1246 | maintenance |
| twosigma/flint Flint is Two Sigma's open-source time series library for Apache Spark, built around a time series aware TimeSeriesRDD data structure. It pr… | 32 | 1181 | maintenance |
| Kismuz/btgym BTGym is a Python library that wraps the Backtrader algorithmic trading engine in an OpenAI Gym environment API, enabling event-driven back… | 32 | 1037 | maintenance |
| mayubao/Android-Pay An Android payment integration library that wraps WeChat Pay and Alipay SDKs behind a simple request-builder API. It lets developers trigge… | 32 | 1608 | abandoned |
← prev page 7 / 7