We use cookies for analytics and site functionality. See our Privacy Policy for details.
Practical apps and dashboards built here — all free to use.
Advanced chess game analysis and analytics visualization tool. Track performance trends, analyze game patterns, and discover insights in your chess gameplay with interactive charts and detailed metrics.
Create pixel art with curated palettes, export as PNG or emoji, and collaborate in real-time
AI sous-chef — chat for recipes, refine with smart chips, save favorites
Shared shortlist of plans — add places, events and ideas, everyone swipes, do what matches. Installable app with link preview cards
Full-building rentals by ZIP on an interactive map — median 1BR rents, year built, in-unit laundry filters
Advanced chess game analysis with interactive charts and performance tracking
Real-time tracking of Chicago buses and trains with live map visualization
Geographic database management with search and export capabilities
Connect and visualize health data from Withings devices
Digital drawing canvas with layers, colors, and image import capabilities
Real-time weather information with dynamic backgrounds and detailed forecasts
Sports league management platform with team matching and scheduling
Tax-aware bucket strategy with post/pre-tax accounts, capital gains tracking, inflation-adjusted glide paths, and funded ratio analysis
Experimental tools and prototypes for testing new concepts
