An independent app studio

Apps with AI
at the core.

We make small, focused apps and tools that put AI to work, so you can get on with yours.

Our apps

Prose

Dictation anywhere on your Mac

Tap a shortcut, speak, tap again. Your words are typed wherever the cursor is, transcribed on your Mac by Apple’s on-device model.

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macOS

hpy.ninja

A command center for AI agents

Run many Claude Code sessions in parallel, and see at a glance which one needs you. Attention is the resource; hpy spends it well.

Visit hpy.ninja

Web

AdTags.io

Preview and share ad tags

Paste an ad tag or any HTML and see it render as it would on a page, then share the preview. No account needed.

Visit adtags.io

Private

Noir

Algorithmic trading

A multi-strategy trading system that streams market prices, simulates strategy trading to see what holds up, and promotes successful strategies to a real risk-managed book.