Repository Index

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

• invoice
• invoice-pdf
• invoice-generator
• invoice-template

Strategies to Gekko trading bot with backtests results and some useful tools.

• gekko
• strategies
• gekko-strategies
• gekko-backtest

A cryptocurrency arbitrage opportunity calculator. Over 800 currencies and 50 markets.

• arbitrage-opportunity
• trading-bot
• cryptocurrency
• altcoins

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

WebApp Quandl.com API to tell stock growth history in a given period.

• stocks
• quandl
• webapp
• stock-growth-history

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.

• algorand
• payment
• qr
• qrcode

Capture, inspect, and replay webhooks with 90-day history + signature verification. Built on Cloudflare Workers + D1.

• cloudflare-workers
• d1
• debugger
• self-hosted

MCP server for SuperScalar — Bitcoin Lightning channel factories. Query protocol specs, estimate UTXO savings, and explore factory architectures.

• bitcoin
• channel-factory
• layer2
• lightning