Purocean
Purocean is a free, open-source notes and writing app for Windows, macOS and Linux. A highly extensible Markdown editor featuring version control, AI Copilot, document annotations, mind maps, document encryption, executable code snippets, chart embedding, HTML applets, plugins, and. It has 6,765 GitHub stars and is released under the AGPL-3.0 license.
github.com/purocean/yn (opens in a new tab)
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About Purocean
A highly extensible Markdown editor, designed for productivity. Download | Try it Online >>> For more information on how to use the following functions, please see characteristic functions description
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Is Purocean free and open source?
Yes. Purocean's source code is public on GitHub under the AGPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Purocean?
Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v3.93.1) or the project website.
Is Purocean still maintained?
The repository's most recent commit was on Oct 17, 2026. appsgit only lists apps whose repository had a commit in the last six months.