DutchWhite

A collection of free tools, games, and utilities to enhance your digital experience

Agile & Team Collaboration Tools

📊
Scrum Master Maturity Assessment

An interactive assessment tool for Scrum Masters to evaluate their expertise and identify growth opportunities, inspired by Ron Eringa's "Evolution of the Scrum Master".

Try Assessment

📈
Monte Carlo Simulation

Transform your Scrum and Kanban data into accurate sprint predictions using advanced Monte Carlo simulation techniques for story points and completion rates.

Start Simulation

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Cultural Collaboration Compass

Navigate cross-cultural workplace dynamics with this interactive tool inspired by Hofstede's cultural dimensions framework. The Cultural Collaboration Compass visualizes how different countries approach communication, leadership, decision-making, and time management, helping global teams bridge cultural differences effectively.

Try the Compass

Productivity Tools

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ShareURL

Securely share text and links between your devices without accounts or apps. ShareURL uses end-to-end encryption (AES-256-GCM) to protect your data, with simple pairing codes for quick connections. Perfect for sending URLs from phone to computer or sharing text snippets across devices.

Share Now

🎵
Spotify Playlist JSON Generator

Preserve your cherished music collections forever with Spotify Archive, a specialized tool for music enthusiasts who want to safeguard their carefully curated playlists. This intuitive application captures complete playlist data—including album artwork, artist information, and most importantly, 30-second preview audio clips.

Open Tool

📧
Disposable Mailbox

A self-hosted, open-source disposable mailbox service (also known as "trash mail") that allows users to generate anonymous email addresses and receive emails without compromising their personal inboxes. Features include random email generation, web-based viewing interface, and HTML/text support with sanitization.

View on GitHub

🗺️
PHP Sitemap Generator

Generate SEO-friendly sitemap.xml and robots.txt files automatically with this powerful PHP script featuring an intuitive admin interface.

View on GitHub

🎨
Extract Colors

A JavaScript utility for extracting and managing color codes from encycolorpedia.com. Ideal for designers and developers who need to retrieve precise hex codes for named colors. The tool can fetch, display, and organize color data including international naming variations (English/German) and historical usage years.

View on GitHub

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WakeLock - Stay Awake

Prevents your computer from going to sleep while the tool is active using the browser's WakeLock API.

Activate WakeLock

Entertainment

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GAME: Heardle

Test your music knowledge with this addictive daily music guessing game! Choose from decade-specific playlists (80s to 2020s) or genre-based collections. Listen to short song snippets and guess the track in as few seconds as possible. Perfect for music lovers of all generations to challenge their ear for melody and lyric.

Play Heardle

🎮
GAME: Hey Zoomer! - From Vinyl to Viral

Experience the ultimate intergenerational word game that bridges the generational divide! "Hey Zoomer!" challenges players worldwide to explore rich vocabulary, from classic phrases like "Beatlemania" to modern terms like "FOMO". This engaging online multiplayer game creates an entertaining and educational experience.

Play Now

🎬
What I Watch - Trakt Insights

A personal collection of movies and TV shows I've watched, powered by Trakt.tv API integration. Browse through my viewing history, see my ratings, and explore my entertainment preferences through genre statistics and completion rates. A visual showcase of my media consumption habits over time.

View Insights