Artifacts
Self-contained HTML experiments — small tools, visualizations, and playthings that live outside any framework. Each one is built in a sitting, then sealed off as its own world.
Dark Patterns Lab
Build a cookie consent banner from parts, flip the dark patterns the industry actually uses, and watch a GDPR/ePrivacy compliance meter call out violations article by article.
dlt Pipeline Sandbox
Interactive dlt → DuckDB pipeline simulator. Pick a source, write disposition, and schema contract, then run the pipeline and watch extract, normalize, and load play out step by step.
SQL Window Functions
Visual explainer for SQL window functions. Pick ROW_NUMBER, RANK, LAG, or a moving average, then hover any result row to see exactly which rows its window frame covers and why.
Prompt to Visual
Type anything and watch thousands of particles morph into your words. Customize colors, physics, and particle count. Pure canvas, zero dependencies.
Signal
Radar-sweep Space Invaders with fog of war. Built for Rens.
dlt Pipeline Sandbox
Interactive dlt → DuckDB pipeline simulator. Pick a source, write disposition, and schema contract, then run the pipeline and watch extract, normalize, and load play out step by step.
SQL Window Functions
Visual explainer for SQL window functions. Pick ROW_NUMBER, RANK, LAG, or a moving average, then hover any result row to see exactly which rows its window frame covers and why.
Data Lineage Viewer
Interactive data lineage graph showing how data flows from sources through transformations to outputs. Drag nodes, click connections to trace column-level impact paths.
Pipeline Dashboard
Simulated data pipeline health dashboard with real-time freshness monitoring, row count sparklines, schema drift alerts, and SLA tracking. Click pipelines to inspect runs.
Regex Playground
Live regex testing with syntax-highlighted matches, capture group breakdown, and match statistics. Type a pattern, paste your text, see results instantly.
Sprint Velocity Tracker
Agile sprint dashboard with burndown chart, velocity trend, cycle time distribution, and WIP tracking. Click sprints to drill into story breakdowns.
Gravity Sandbox
N-body gravitational simulation. Place stars and planets, watch orbits form, collide, and slingshot. Click to spawn, drag to set velocity.
Prompt to Visual
Type anything and watch thousands of particles morph into your words. Customize colors, physics, and particle count. Pure canvas, zero dependencies.
Signal
Radar-sweep Space Invaders with fog of war. Built for Rens.
Voronoi Terrain
Interactive Voronoi diagram that generates colorful terrain landscapes. Click to seed points, watch cells recalculate. Choose biomes, adjust density, toggle elevation.