Free Open Source ERP CRM Software Accounting Invoicing | Node.Js React
- accounting
- erp
- erp-application
- invoice
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🎉 Flexible invoicing desktop app with beautiful & customizable templates.
- invoice
- invoice-pdf
- invoice-generator
- invoice-template
Modular logistics and supply chain operating system (LSOS)
- driver-app
- fleet-management
- infrastructure
- inventory-management
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
Strategies to Gekko trading bot with backtests results and some useful tools.
- gekko
- strategies
- gekko-strategies
- gekko-backtest
📈 A menu bar app that updates cryptocurrencies prices in real-time
- bitcoin
- litecoin
- bitcoin-price
- javascript
Telegram trading bot for tokens: signals, limits and stop-loss in one chat.
Predicts how news-driven supply-chain shocks ripple across S&P 500 stocks, with an event-study backtest and a hash-chained public prediction ledger. Built on MIT open-source SEC supply-graph code.
- cloudflare-workers
- d3
- event-study
- finance
💰💰 Convert currency rates directly from your terminal!
- exchange
- rates
- currency
- javascript
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
Deterministic, dependency-free Chan-theory (缠论) structure engine + multi-market trading workstation (A-shares / HK / US / crypto) with teaching chart annotations and a mobile PWA.
💸 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
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MatchFlow is a full-stack invoice processing and purchase-order matching system—built on Clean Architecture with a React+Nginx front-end, a .NET 6 API back-end, Azure Form Recognizer OCR, Azure Blob Storage, and Docker Compose for one-command local setup.
- azure
- docker-compose
- dotnet-core
- nginx-proxy
Algorand QR Code generator is a JavaScript module that outputs an standard QR code (exportable to SVG file and text) from a JSON object. It works in terminal, NodeJS and modern browsers. Complies to Algorand ABNF Grammar.