Iurii Uses: #Open Source

polytypo.dev – Locale-Correct Typography Engine and Spec

Open-source spec and engine that turns straight quotes, hyphens and three dots into curly quotes, dashes, ellipses and no-break spaces for 10 locales.

halloween.js – Zero-Dependency Halloween Effects for Any Website

Zero-dependency Halloween corner decorations and ambient effects – one script tag or npm install, class-driven, seasonal by default, under 10 KB gzipped.

n8n Verified Community Node – EU VAT Validation in Workflows

Verified n8n node for VIES VAT validation and EU rate lookups in a workflow, so onboarding or invoicing acts on a real VAT number, not a well-formed one.

EU VAT Rates for WooCommerce – WordPress Plugin

WordPress plugin that keeps WooCommerce EU tax rates current and applies the B2B reverse charge from a VIES-verified VAT number at checkout.

vatnode.dev mcp – Official MCP Server for EU VAT Validation

Open-source MCP server that lets Claude Desktop, Cursor and other MCP clients validate EU VAT numbers and look up rates directly in chat.

eu-vat-rates-data – Free & Open-Source EU VAT Rates Dataset

Free, open-source EU VAT rates for all 27 member states + UK. Published as native packages for npm, PyPI, Packagist, Go, and RubyGems.

polytypo’s typography engine is a nine-rule pipeline that locates and rewrites text without ever building or reprinting an AST.

halloween.js adds Halloween decorations to any website – one class flips them on, and a real-calendar season window turns them off automatically.

Headless CRM comparison 2026: Twenty vs EspoCRM vs DIY on Postgres. Real trade-offs on schema flexibility, integration, cost, and ecosystem risk.

How to publish one dataset to npm, PyPI, Go Module, RubyGems, and Packagist with GitHub Actions – architecture, versioning, and per-ecosystem gotchas.