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Mercator maps make Greenland look close to the size of Africa, although Africa is roughly fourteen times larger. Map2Maps lets you select a country or draw a shape and compare it across up to four map projections.

A free browser-based tool for generating App Store screenshots: device mockups at the required resolutions, captions, backgrounds, translation into 18 languages, and ZIP export. No account or screenshot upload required.

Valuta is an iPhone currency converter with a calculator keypad built in, so you can convert a price and then split it, add tax, or multiply it without switching apps. It saves recent rates for offline reference, stores favorite currency pairs locally, and has a one-time purchase with no account.

Yore is a local-first iPhone app that replaces half a dozen single-purpose trackers with one library, log, and diary for movies, TV, anime, books, manga, games, music, podcasts, board games, and comics, with metadata pulled from public, no-key sources.

Battle Tanks is a free browser-based, top-down tank arena shooter built with Three.js and WebGPU: classic Battle City energy (drive a tank, blast bricks, defend a base) layered with a modern roguelite power-up ladder, boss fights, and local co-op. No download, no install.

ARCOLOGY is a free browser-based cyberpunk city builder made with Three.js, where you grow a neon district into a profit machine while keeping three rival factions in balance. The economy was tuned by exporting every run as JSON and iterating on the data instead of guessing.

Provato is a local-first iPhone app for tracking restaurants and cafes you tried or want to try, with notes, ratings, photos, locations, history, and wishlist items. It is built for the specific problem of forgetting which coffee shop was worth returning to.

Why I moved this Next.js blog off Vercel to Cloudflare Workers: the April 2026 security incident, the pricing math, and the technical steps of swapping in OpenNext and replacing the unmaintained Contentlayer with Velite.

Baby Book Tracker is a simple, local-first iOS app for logging reading sessions with your baby, tracking progress toward goals like 1000 Books Before Kindergarten, and sharing the routine with caregivers. No account is required, and full access is a one-time unlock rather than a subscription.

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