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Danny van Kooten

Code

This page lists the various public git repositories I have on GitHub, sorted by recent activity.

Last updated: April 13, 2026

koko-analytics

Privacy-friendly, open-source analytics for WordPress — GDPR compliant, cookieless, and fast

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Licensed under GPL-3.0
https://github.com/ibericode/koko-analytics

www.dannyvankooten.com

My personal website

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https://github.com/dannyvankooten/www.dannyvankooten.com

vat-bundle

Symfony bundle for ibericode/vat

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Licensed under MIT
https://github.com/ibericode/vat-bundle

boxzilla-wp

Boxzilla. Pop-ups in WordPress done right.

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Licensed under GPL-3.0
https://github.com/ibericode/boxzilla-wp

mailchimp-for-wordpress

#1 Mailchimp plugin for WordPress. Adds various sign-up methods to your site.

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Licensed under GPL-3.0
https://github.com/ibericode/mailchimp-for-wordpress

wysiwyg-widgets

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Licensed under GPL-3.0
https://github.com/dannyvankooten/wysiwyg-widgets

mailchimp-top-bar

Adds a MailChimp opt-in bar to the top of your WordPress site.

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Licensed under GPL-3.0
https://github.com/ibericode/mailchimp-top-bar

vat

PHP library for dealing with European VAT

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Licensed under MIT
https://github.com/ibericode/vat

dannyvankooten

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Licensed under MIT
https://github.com/dannyvankooten/dannyvankooten

gozer

Fast, opinionated and simple static site generator in a single static binary.

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Licensed under MIT
https://github.com/dannyvankooten/gozer

populate.js

Populate form fields from a JSON object.

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Licensed under MIT
https://github.com/dannyvankooten/populate.js

dotfiles

My dotfiles

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Licensed under LGPL-3.0
https://github.com/dannyvankooten/dotfiles

change-username

A WordPress plugin to change usernames

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Licensed under GPL-3.0
https://github.com/dannyvankooten/change-username

moneybird-belastingdienst

Makkelijker kunnen zij het niet maken, wij wel.

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Licensed under GPL-3.0
https://github.com/dannyvankooten/moneybird-belastingdienst

vat-rates

Community maintained resource for VAT rates of EU member states

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Licensed under MIT
https://github.com/ibericode/vat-rates

advent-of-code

Solutions for Advent of Code puzzles. In C, C++, Python, Rust, Golang, PHP and Lua. All years.

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Licensed under Unlicense
https://github.com/dannyvankooten/advent-of-code

cnake

Snake in your terminal. In C, no dependencies.

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Licensed under Unlicense
https://github.com/dannyvankooten/cnake

mc4wp-wpml

WPML integration for MailChimp for WordPress

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Licensed under GPL-2.0
https://github.com/ibericode/mc4wp-wpml

wp-i18n-export

Create PHP file containing all i18n strings from a given source directory

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Licensed under GPL-3.0
https://github.com/ibericode/wp-i18n-export

AltoRouter

PHP routing class. Lightweight yet flexible. Supports REST, dynamic and reversed routing.

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Licensed under MIT
https://github.com/dannyvankooten/AltoRouter

1brc

C11 implementation of the 1 Billion Rows Challenge. 1️⃣🐝🏎️ Runs in ~1.6 seconds on my not-so-fast laptop CPU w/ 16GB RAM.

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https://github.com/dannyvankooten/1brc

nederlang

Nederlandse programmeertaal 🇳🇱. Geïnterpreteerd en met dynamische types. Met bytecode compiler en virtuele machine, in Rust.

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Licensed under GPL-3.0
https://github.com/dannyvankooten/nederlang

stand

Stand is a periodic reminder to stand up from your desk

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Licensed under MIT
https://github.com/dannyvankooten/stand

pepper-lang

The Pepper Programming Language

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Licensed under MIT
https://github.com/dannyvankooten/pepper-lang

sieve-of-erathosthenes

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Licensed under Unlicense
https://github.com/dannyvankooten/sieve-of-erathosthenes

top-websites-compression

Researching compression applied by the top 10.000 websites

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Licensed under MIT
https://github.com/dannyvankooten/top-websites-compression

vat

Go package for dealing with EU VAT. Does VAT number validation & rates retrieval.

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Licensed under MIT
https://github.com/dannyvankooten/vat

boxzilla-snippets

Code snippets for the Boxzilla WordPress plugin.

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https://github.com/ibericode/boxzilla-snippets