Invoicing for freelancers & small businesses
- invoicing
- electron
- cross-platform
- offline-first
Repository Index
47,133 repositories indexed
73–96 of 126 · Most stars
Flutter Plugin for Square In-App Payments SDK
Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.
- coinbase-x402
- coinpayments-api
- crypto-checkout-form
- crypto-payment-system
MyFin Budget - Web frontend for the personal finances platform that'll help you budget, keep track of your income/spending and forecast your financial future.
- pfm
- personal-finance-manager
- personal-finances
- budgeting
Every day, millions of traders around the world are trying to make money by trading stocks. These days, physical traders are also being replaced by automated trading robots. Algorithmic trading market has experienced significant growth rate and large number of firms are using it. I have tried to build a Deep Q-learning reinforcement agent model to do automated stock trading.
Rails 8 app template: Devise auth, Stripe billing, Tailwind CSS, admin panel, SEO helpers, etc
- mvp-template
- rails-template
- ruby-on-rails-template
- rails
Self-hosted restaurant POS with tables, kitchen display, reservations, QR ordering, loyalty and local-network operation.
- casaos
- docker
- gst
- india
Lightweight Bitcoin payment processor written in easily deployable Python. Self custody donations and payments on-chain & Lightning network, directly connected to your own Bitcoin node! No middleman/custodian.
- bitcoin
- bitcoin-payments
- donation-button
- woocommerce
Stripe Mobile SDK wrapper for Capacitor
A libGDX cross-platform API for InApp purchasing.
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha
Personal Expense Manager -- UWP (+ Blazor) and CQRS+ES.
- uwp
- uwp-apps
- uwp-applications
- money-manager
Do stock correlations predict the market? 66 pre-registered tests, the data, and a triple pendulum that explains why not. If you have an idea you want me to try, submit it as a PR and I will test it and get back to you.
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
- ai-agents
- go
- golang
- mcp-server
Passive market-making bot for Predict.fun: quotes from live order books, replaces stale orders and cancels on unsafe price/depth; Windows desktop app and web console for Ubuntu servers.
- desktop-app
- market-making
- predict-fun
- prediction-markets
A terminal application to watch crypto prices!
- cryptocurrency
- bitcoin
- ethereum
- cryptocurrency-exchanges
McValue Mate — Budget-aware meal planning powered by McDonald's China MCP.
💸 Crypto Payments straight to your wallet. DePay simplifies Web3 integration for developers, harnessing DeFi to accept any token effortlessly. Integrate frictionless, real-time token conversion with sleek, customizable widgets designed for seamless user experience.
- blockchain
- payment
- widgets
- react
TranslatedA nutrition-pairing tool based on McDonald's China's official MCP: it expands each combo item by item to get official nutrition and official pricing, marks the price source of every amount, and honestly labels anything it cannot retrieve as "unknown" instead of filling in 0. Runs offline, no Token needed. Does not provide ordering capability.
Open-source event management, ticketing and membership platform for communities, clubs, independent venues and independent artists.
- django
- django-ninja
- eu-vat
- event-management
Yaffa is a personal finance web application, focusing on the support of long term financial planning.
A dumping ground for my files I use with this awesome crypto currency trading platform https://github.com/askmike/gekko
Frames iOS: making native card payments simple
- payment
- credit-card
- validation
- checkout
ColdFusion payment processing library makes plumbing e-commerce apps easy. Charging credit cards has never been easier. Inspired by Ruby's ActiveMerchant.
- cfml
- coldfusion