Avalonia desktop app for ONVIF IP cameras (Windows and Linux builds; this package is Windows x64).
Discover or add cameras, live RTSP playback via bundled LGPL ffmpeg (H.264 and HEVC), PTZ,
imaging, events, analytics, Profile G archive search/replay, and Device I/O.
Built on the OnvifLib .NET library (separate NuGet package).
Publisher’s description
What is OnvifLib.Gui?
OnvifLib.Gui is an open-source media converter program for Windows from treealarm. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as MSI. Installation asks for administrator rights. It needs Windows 10 1809 or newer. The installer supports unattended (silent) installation. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 1.3.2, released on October 12, 2026. 2 versions are listed since September 27, 2026, each with links to its own installer files. The last update is less than a month old.
Popularity and file types
The source code on GitHub (treealarm/OnvifLib) has 3 stars. Similar programs include Pandoc, HandBrake and scrcpy.
Project description on GitHub: “ONVIF .NET 10 library + Device Manager alternative (Win/Linux). Live H.264/HEVC, Light/Dark GUI, PTZ, Profile G/M.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: OnvifLib.Gui is an open-source media converter tool for 64-bit PCs. Administrators can deploy it unattended.
Is OnvifLib.Gui 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:
A3560EEAB275E54463BFA862E4D8DFB54DA98CF7190B07882069E228A124605B· 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 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.3.2Latest | October 12, 2026 | — | 64-bit MSI |
| 1.2.1 | September 27, 2026 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id treealarm.OnvifLib.Gui -emsiexec /i OnvifLib.Gui-win-x64.msi /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- treealarm
- Category
- Media converters
- Licence
- MIT
- Price
- Free
- Source code
- github.com/treealarm/OnvifLib
- Written in
- C#
- Requires
- Windows 11 / 10 (Windows 10 1809+)
- Architecture
- 64-bit
- Installer
- MSI
- Version
- 1.3.2
- Released
- October 12, 2026
- Added to the catalogue
- September 27, 2026
- Versions listed
- 2
- GitHub stars
- 3
- GitHub forks
- 1
- Website
- github.com
- winget ID
- treealarm.OnvifLib.Gui
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is OnvifLib.Gui free?
Yes. OnvifLib.Gui is open-source software under the MIT licence.
Is OnvifLib.Gui 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 OnvifLib.Gui 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 OnvifLib.Gui be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Which Windows versions does OnvifLib.Gui support?
The installer requires Windows 10 1809 or newer and is available for 64-bit.
Does OnvifLib.Gui run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of OnvifLib.Gui?
The versions page lists all 2 versions with links to their official installer files, back to September 27, 2026.
What are alternatives to OnvifLib.Gui?
Pandoc, HandBrake, scrcpy, File Converter and IrfanView. The alternatives page compares them.
