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No-AI core
The planner is plain arithmetic you can trust. AI is an optional, bring-your-own-model add-on, never required, never on the critical path.
◎ For people who want to own their data
Notes, tasks & calendar, finally one thing.
Your notes are in one app, your tasks in another, your calendar in a third, and none of them talk, so “plan my day” is manual every morning. Helm is a private, self-hosted personal OS where a task is a block on your calendar, scheduled by plain arithmetic.
A to-do list that respects your clock, on hardware you own.
Helm plans your day deterministically: estimate a task and it finds the block: no AI guessing, no surprises, fully undoable. It runs on your own box, so your notes and schedule never leave your server. AI is an optional add-on, never in the critical path.
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Yours, on your box
Self-hosted (FastAPI + Postgres + a fast PWA). Private by default; your notes and schedule never leave your server, and no vendor can shut you off.
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Capture at the speed of thought
Quick-capture with intent pills and voice, a Today view, notes-in-stacks and web push: the friction gone from writing it down.
Own it. Pay once.
Free to self-host the core. Buy PRO once for the pro workflows. No subscription required.
$79 one-time
Self-host PRO · or $7/mo · Core is free
- Everything in the free Core
- Organize Tasks (deterministic, undoable)
- Bring-your-own-model assistant
- Web push & deeper insights
- Runs entirely on your own hardware
The waitlist hears first
Hear first when Helm PRO ships
Self-host the core free today. Leave your address and you hear first when PRO ships, at the launch price.
No spam, unsubscribe anytime.
Run your day on something you own.
Self-host the core for free, or buy PRO and have the pro workflows in minutes.
Start with Helm free →or email hello@practicalbusinessmachines.com