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Iurii Rogulia, IT partner for business & fractional CTO. Professionally building software since 2001.

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Iurii Uses: #Open Source

4 projects · 2 articles

Open Source

Open Source projects are publicly available on GitHub with permissive licences. They're contributions back to the developer community and demonstrations of real-world code quality.

Projects

n8n Verified Community Node — EU VAT Validation in Workflows
n8n Verified Community Node — EU VAT Validation in Workflows
August 6, 2026
n8n Verified Community Node — EU VAT Validation in Workflows

Verified n8n node that puts VIES VAT validation and EU rate lookups inside a workflow, so onboarding or invoicing can decide on a real VAT number instead of a

Stack

TypeScriptNode.jsn8n

Services

npmGitHub Actionsvatnode API

Topics

Workflow AutomationNo-CodeIntegrationsDeveloper ToolsOpen SourceTax/VAT
EU VAT Rates for WooCommerce — WordPress Plugin
EU VAT Rates for WooCommerce — WordPress Plugin
August 5, 2026
EU VAT Rates for WooCommerce — WordPress Plugin

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

Stack

PHPWordPressWooCommerceJavaScript

Services

WordPress.orgEuropean Commission TEDBvatnode API

Topics

WordPress PluginE-commerceB2BTax/VATCheckoutOpen SourceAutomation
vatnode-mcp — Official MCP Server for EU VAT Validation
vatnode-mcp — Official MCP Server for EU VAT Validation
May 20, 2026
vatnode-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.

Stack

TypeScriptNode.js

Libraries

Zod

Services

vatnode API

Topics

MCPAI ToolingDeveloper ToolsOpen SourceTax/VAT
eu-vat-rates-data — Free & Open-Source EU VAT Rates Dataset
eu-vat-rates-data — Free & Open-Source EU VAT Rates Dataset
February 25, 2026
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.

Stack

TypeScriptPythonPHPGoRuby

Services

GitHub ActionsnpmPyPIPackagistRubyGems

Topics

Open SourceTax/VATAutomation

Articles

Best Headless CRM in 2026: Twenty vs EspoCRM vs Custom Build
June 12, 2026· 21 min
Best Headless CRM in 2026: Twenty vs EspoCRM vs Custom Build

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

Topics

CRMOpen SourceArchitectureBuild vs BuySaaS
Publishing One Package to Five Registries with GitHub Actions
March 27, 2026· 10 min
Publishing One Package to Five Registries with GitHub Actions

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

Stack

TypeScriptPythonPHPGoRuby

Services

GitHub ActionsnpmPyPIPackagistRubyGems

Topics

Open SourceTax/VATAutomation
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