Open source fintech projects
Every project in the registry tagged fintech, ranked by real GitHub adoption.
Open source payment orchestrator for global transactions
Open-source financial terminal for data-driven insights
AI 时代的伯克希尔：基于 Claude Code / Codex 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a value investing research framework built for Claude Code / Co
A股全栈数据工具包 · 十二层架构 · 60端点 · 22数据源 · 零鉴权 | Full-stack China A-share data toolkit for AI agents — 12 layers, 60 endpoints, 22 sources, zero-auth
Transform complex usage data into accurate, real-time billing
Free online accounting for small businesses and freelancers
Track, analyze, and optimize your investments effortlessly
This repository contains opportunities for you to apply to more than 400 product base companies(NOT JUST FAANGM) & good start-ups.
A股多Agent投研框架 — 适配A股数据源(龙虎榜/游资/解禁等)，7位分析师基于A股规则的辩论决策，基于TradingAgents深度改造，适配大A。A-share multi-agent investment research framework — 7 AI analysts, bull/bear debate
Real-time usage metering and billing for AI companies
ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is av
Open-source business management system with ERP, POS, invoicing, and CMS features. Laravel-based, Docker-ready. Still in active development.
Self-hosted personal wealth analysis: portfolio & net-worth tracking with AI insights. FastAPI + React.
Related tags
Frequently asked questions
How many open source fintech projects are there?
This registry tracks 13 projects tagged fintech, with 150,973 GitHub stars between them. The most-adopted is Hyperswitch at 45,645 stars.
Are these fintech projects free to use?
Yes — 11 of the 13 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which fintech project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these fintech projects still maintained?
12 of the 13 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.