Razor's Edge

All 63 designated national parks on an interactive US map. Alaska, Hawaii, American Samoa, and the Virgin Islands shown in corner insets.

Interactive checklist of state parks, national park units, and nature preserves within 90 minutes. Includes a live map and dog-friendly filters.

Interactive checklist of state parks, national park units, and nature preserves within 90 minutes. Includes a live map and dog-friendly filters.

Track every National Park Service unit across the country. Check them off as you go.

4-person bush plane weight tracker. 850 lb limit includes bodies and gear. Enter your weight, check off your gear, and watch the live total in real time.

A 16-step, 8-voice drum machine you play in the browser. Program beats on the grid, dial in tempo and swing, and jam over House, Trap, Funk, and Techno presets. All sounds synthesized live.

Shared availability planner for June–August. Add your name, mark the days you're free, and see the top overlap days across the whole group.

Per-kid screen-time timers with reward and penalty minutes and an activity log. Timer or stopwatch style, synced live across every device on the trip.

Can't agree on takeout? Spin for 3 options and vote for tonight's dinner.

Can't decide where to eat? Let the wheel decide. Spin for a random lunch spot.

Dress-up doll studio with outfits, hairstyles, skin tones, scenes, and accessories. Hit Surprise for a random look and save your creation as a picture.

Side-scrolling adventure — chop trees, mine iron, battle goblins, and build your castle before the raids hit. Beat the troll, then race the speedrun clock for the best-times table.

Pick group finishers, knockout winners, and champion. Live leaderboard updates as results sync in from ESPN.

Live match clock, player time tracking, substitution log, goals, and season stats. Shared in real time across all coaches via Firebase.

Drag-and-drop 2D floor plan builder for bathrooms. Add toilets, tubs, showers, vanities, and more with custom measurements. Shared saves via Firebase.

Drag-and-drop 2D floor plan builder. Add cabinets, appliances, windows, doors, fireplace and more with custom measurements. Shared saves via Firebase.

Pick any month to see total principal & interest paid, remaining balance, and time left on the loan.

Track a private loan with daily interest accrual. Log regular and principal-only payments, see the running balance, and chart how the loan shrinks over time.

Record phone calls with live transcription and get an AI-powered summary when the call ends.