A OneNote add-in with simple, yet powerful and useful features.
Publisher’s description
What is OneMoreAddIn?
OneMoreAddIn by River is open-source Windows software in the office suites category. It ranks 43rd by popularity among office suites in this catalogue. It is written in C#.
Installation and requirements
The publisher provides MSI installers for 64-bit, ARM64 and 32-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 6.8.2, released on February 15, 2026. The version history goes back to April 16, 2021: 128 releases, all linked to the official files. That is about 26 releases a year.
Popularity and file types
The source code on GitHub (stevencohn/OneMore) has 3,427 stars. Similar programs include TeXstudio, Zettlr and JabRef.
Project description on GitHub: “A OneNote add-in with simple, yet powerful and useful features”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Native ARM64 build for Windows on Arm
- MSI package for managed deployment
- Documented silent install
- Frequent updates (about 26 a year)
Cons
- Installation needs administrator rights
In short: OneMoreAddIn is an open-source office suite tool for 64-bit, ARM64 and 32-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is OneMoreAddIn safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
6CFE90EDA2D19D0B4A790759B0FF7921C73F2F3377A573E91B74C1A27E620341· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 128 versions ›128 versions over 5 years · about 26 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 6.8.2Latest | February 15, 2026 | — | 32-bit MSI64-bit MSIARM64 MSI |
| 6.7.6 | September 5, 2025 | — | ARM64 MSI64-bit MSI32-bit MSI |
| 6.7.3 | May 31, 2025 | — | 32-bit MSI64-bit MSI |
| 6.7.1 | January 2, 2025 | — | 32-bit MSI64-bit MSI |
| 5.9.0 | September 5, 2023 | — | 64-bit MSI32-bit MSI |
| 5.8.5 | June 3, 2023 | — | 64-bit MSI32-bit MSI |
| 5.8.4 | March 21, 2023 | — | 64-bit MSI32-bit MSI |
| 5.8.3 | March 19, 2023 | — | 64-bit MSI32-bit MSI |
Install from the command line
Silent install ›winget install --id stevencohn.OneMore -emsiexec /i OneMore_6.8.2_Setupx64.msi /qn /norestartmsiexec /x {6A3499A1-253B-407D-810B-77E74CD56A37} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- River
- Category
- Office suites
- Licence
- MPL-2.0
- Price
- Free
- Source code
- github.com/stevencohn/OneMore
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64, 32-bit
- Installer
- MSI
- Version
- 6.8.2
- Released
- February 15, 2026
- Added to the catalogue
- April 15, 2021
- Versions listed
- 128
- Updates / year
- 26.5
- GitHub stars
- 3,427
- GitHub forks
- 255
- Website
- github.com
- winget ID
- stevencohn.OneMore
- MSI product code
- {6A3499A1-253B-407D-810B-77E74CD56A37}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is OneMoreAddIn free?
Yes. OneMoreAddIn is open-source software under the MPL-2.0 licence.
Is OneMoreAddIn safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install OneMoreAddIn with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can OneMoreAddIn be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does OneMoreAddIn run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of OneMoreAddIn?
The versions page lists all 128 versions with links to their official installer files, back to April 16, 2021.
What are alternatives to OneMoreAddIn?
TeXstudio, Zettlr, JabRef, ONLYOFFICE Desktop Editors and Zotero. The alternatives page compares them.
