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Open Source
Built in the open.
Read every line.
Apps, tools and libraries we publish with their full source: mobile apps that put the Claude API to work, native Mac apps and Rust tools. Clone them, run them, and see how we build before you hire us.
07 projects
01Language Learning App in React Native
A React Native app for learning the language of the place you live from photos of its signs, menus and letters, with Claude reading and explaining them.
Open source, MIT licence
React NativeExpoTypeScriptSQLiteSupabaseClaude API02Claude API Showcase App in Flutter
A Flutter app that puts the Claude API to work: chat with web sources, questions about photos and PDFs with citations, and an agent whose tools run on the phone.
Open source, MIT licence
FlutterRiverpodGoRouterSupabaseClaude API03Mac Remote for Google TV
A native Mac remote for Chromecast with Google TV: menu bar, keyboard, trackpad, voice, phone and automations, all over home Wi-Fi.
Open source, MIT licence
SwiftSwiftUIPythonAndroid TV Remote04Mac Remote for Air Conditioners
A native Mac remote for Midea air conditioners: a menu bar panel, a key-for-key hand remote on screen, schedules and live energy use, all on local Wi-Fi.
Open source, MIT licence
SwiftSwiftUIPythonmsmart-ng05Mac App for Calm & Sleep
A native Mac app for calm and sleep. Tones, binaural beats, seven colours of noise and nature sounds, all synthesized live so nothing loops all night.
Open source, plus a Rust port with a browser demo
SwiftSwiftUIAVAudioEngineRust06Website Launch Audit CLI
shipcheck is our open-source command-line tool, written in Rust, that audits a website before launch. Point it at a live URL or a local build folder: it crawls every page, checks every link and resource once, and reports what would embarrass a team after launch. Its exit code makes it a CI gate.
Open source, CI on three operating systems
RustCLICI07Double-Entry Payments Ledger
payments-ledger is our open-source double-entry payments ledger written in Rust with Axum, SQLx and Postgres. It holds customer wallets, moves money between them and credits deposits from Paystack, the way a fintech app's back end has to.
Open source, CI green
RustAxumSQLxPostgreSQLPaystack
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