Software · Office & notes
Shizumu
Shizumu is a note-taking program, available on Windows, macOS, Linux and Android: offline use.
- Completely free
- Windows, macOS, Linux and Android
- Open source
Overview
Shizumu is a note-taking program, available on Windows, macOS, Linux and Android.
Features described in its Flathub listing and on its official website: offline use.
Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.
Excerpts that establish this information
- “Local-first by design.” — Flathub, 10 November 2026
- “you open a notes app with a thought. it asks you which folder.” — official website, 10 November 2026
At a glance
Shizumu is completely free: it is open source software, and every feature is available without paying or subscribing.
Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.
Plans and conditions
- The publisher also offers paid plans (hosting, support or services); they are described on its website.
Strengths
- Open source code
- Commercial use allowed
About
Shizumu is a private writing app. Open it and start the sentence: there is nothing to structure first, and nowhere to file it. You write to think, you pin what matters, and you trail what continues. The volume of writing is not the artifact; what you pin is. Every page starts empty, so the first sentence is the first thing that happens. Pages flow into a daily memory you can scroll back through and search by content. Pins lift the lines that matter out of the daily stream: checklists, references, anything you want close at hand. Trails group writing that belongs together (a project, a book, an ongoing thread of thought) without forcing you to design a structure first, and the first time you put a page on a trail, the pins you already kept there come back onto the page. A trail can be a run of dated pages, or a continuous trail: one living document for a thread that should keep growing, such as a book, with a marker for each day you wrote in it. That is the one intentional exception, and you choose it. The editor is keyboard driven. Type / for a table, a chart, an outline or a block of code; type @ to reach a page, a pin or a trail. Ctrl+K opens the trail index, Ctrl+P pins from the cursor, Ctrl+F finds, and a shortcuts panel lists the rest. Local-first by design. Everything stays on your device, in a SQLite database you can open with any compatible tool. Sync is optional and end-to-end encrypted: your writing is sealed on your device before it leaves it, the keys are derived there and never leave, and the relay holds what it cannot read. Neither can we. Your writing remains yours. Shizumu fits the writer who keeps a daily log, the developer with one trail per project, the student capturing reading notes, and anyone who wants a private place to write to think without learning a system first.
Description from Flathub — AppStream (Flathub)
Sources and checks
- Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
- Facts collected from Unspecified source (platforms) —
- Facts collected from Official plan pages (pricing, licence, terms) (limits, commercial use) —
- Last technical check: 7 November 2026
- Description from Flathub — AppStream (Flathub)
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