Software · Office & notes

Zim

Write notes in a desktop wiki.

Completely free
Linux
Open source

Overview

Features described in its Flathub listing and on its official website: attachments.

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

“Each page in Zim is automatically saved as text file with wiki markup, including the ability to link pages and to add other files as attachments.” — Flathub, 10 November 2026

At a glance

All of Zim is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-2.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Zim brings the power of a wiki to your desktop, providing a neat and structured way to take notes and record your thoughts. Each page in Zim is automatically saved as text file with wiki markup, including the ability to link pages and to add other files as attachments. Pages in Zim are also displayed in the sidebar in a hierarchical tree style layout to help organize your notes better. Various plugins provide additional functionality, like a task list manager, an equation editor, a tray icon, and support for version control. Zim can be used to: Keep an archive of notes Keep a daily or weekly journal Take notes during meetings or lectures Organize task lists Draft blog entries and emails Do brainstorming

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 8 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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