What demanded most of your attention today?
It captures priority, not time spent and not emotion.
JournalOS is a bullet journal that helps you log sleep, mood, health, work, and more without writing long essays.
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You can also try a demo journal if you see how the product works without creating an account.
Organize your journal the way you want to.
Each journal entry can have a layout that you define.
Manage the modules available for this journal. Disabling a module will not delete its data. It will only hide the module from the journal.
Track your day in minutes with structured prompts like sleep, mood, health, work, and more.
Capture the essentials quickly so journaling stays sustainable, even on busy days.
Lock older entries so your record stays honest and consistent over time.
See trends and patterns across weeks, months, and years with simple summaries.
Get gentle email reminders of what happened in the past to bring moments back to life.
Fully translated so your journal feels natural in the language you use every day.
A diary that stays simple, fast, and genuinely useful.
JournalOS is proudly open source.
Everyone can read our code . Everyone can contribute. Everyone can change it. It's completely free to download, change and modify the software for your own use.
Our code is released under the MIT license. Perhaps it means nothing to you, but it's one of the most respected licenses out there. Most other tools say they are open source, but they are not truly.
JournalOS is designed for people with busy lives who want a simple way to remember how their days felt. If you do not want to write long essays but still want to track your life, this is for you.
We built it so you can capture the important details quickly and still look back with clarity.
Read more about why this tool exists .
Régis
You are not our product. You are the reason we exist.
Our code is open source, so you can see exactly how we build JournalOS.
We use industry-standard encryption to protect your data. If someone would steal the database, they would only see a bunch of gibberish.
There are no JavaScript trackers or ads on this website. We only measure page views to improve the site.
We do not rely on AI in the application. It is not ready for prime time and would create privacy issues.
You remember every detail
If your memory already captures every day, you probably do not need this tool.
You like expensive, recurring subscriptions
We offer a one-time payment for the software. No subscriptions, no hidden fees.
You like being tracked for ads purposes
We do not track users to serve ads, and we do not profile our users.
You like being locked in
We believe you should self-host on your own server if you can.
You can use entirely for free if you host it yourself. If you use the version we host on this site, JournalOS can be used for 30 days. We offer a one-time payment of $50 to unlock the tool forever. No recurring subscriptions, no hidden fees.
Absolutely! JournalOS is open source and MIT-licensed. You can download the code from GitHub and run it on your own server completely free.
Yes. All your journal entries are encrypted at rest using industry-standard encryption. Even if someone gained access to our database, they would only see encrypted gibberish without the encryption keys.
No. Not at the moment, but we will let you export your data later.
No. We do not use AI in JournalOS. Your journal entries are private and personal, and we do not analyze, process, or share them with any third parties or AI services.
Need more help? Check out our help documentation .
It's gonna be fun, for sure.
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