xiaodou-official / xiaodou-open-platform
小豆支付开放平台：个人也能申请的支付宝+微信聚合收款接口——RSA2 签名 + webhook 验签、持牌机构清算、次日到账；兼容易支付 / 彩虹支付类插件协议零代码迁移（submit.php / mapi.php / api.php，网关 / 商家 ID / 密钥三格配置）；已兼容 Sub2API、New API（源码级核对）；支持多到账账号收款分配与分账；含 14 篇文档、四语言签名示例与本地 demo。Payment API for individuals & digital-goods merchants: Alipay + WeChat Pay, Epay-compatible, Sub2API & New API ready, licensed settlement.
jeequan / jeepay
Jeepay是一套适合互联网企业使用的开源支付系统，支持多渠道服务商和普通商户模式。已对接微信支付，支付宝，云闪付官方接口，支持聚合码支付。
jazzband / django-payments
Universal payment handling for Django.
natepayn3 / Vitreus
A liquid-glass desktop shell for Hyprland or pleamar-wm: a bar, and panels that flow out of it. Built on pleamar.
qianyubtc / BinancePayTool
一款基于币安支付的个人收款网关
runtimepoet / simplecard
Self-hosted digital goods delivery platform: Spring Boot 3 API + Next.js 16 storefront, Epay/USDT payment pipeline, risk control, full admin panel
eischideraa-unn / Finessepay
FinessePay is a stellar-based decentralized payment/ receive and convert app.
kungec / kunpay
坤支付 KunPay — 开源个人免签约码支付系统 | Go 单文件 · 易支付兼容 · 多码轮询 · 云端挂机 · 安卓监控APP 扫码配对 | 赞助: KJ VPS (kjvps.com)
PandLeeAI / GiffGaff-Repayment-Skill
GiffGaff退款流程Skill，导入到你的Agent，引导你一步步拿回被污的钱
alhifnywahid / merchantid
Unofficial zero-dependency TypeScript toolkit for Indonesian merchants: turns a static QRIS into unique per-order dynamic QRIS and reconciles settlement from GoPay (GoBiz) and ShopeePay merchant transaction feeds.
tooladda-online / emi-calculator
EMI Calculator — Calculate monthly EMI, total interest, and the full amortization schedule for home, car, personal, education, business, or gold loans. Model prepayments, compare interest rates, and check loan eligibility — all in one enterprise-grade calculator that runs entirely in your browser. Free on ToolAdda.online.