OpenWinSidecar turns an iPad into a real extra Windows monitor. A virtual display driver extends the desktop, Intel Quick Sync encodes it to HEVC, and Safari shows it with full touch and keyboard input. No client app, no subscription.
Publisher’s description
What is OpenWinSidecar?
OpenWinSidecar is an open-source program for Windows from julianmb. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as EXE (Inno Setup). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Popularity and file types
The source code on GitHub (julianmb/OpenWinSidecar) has 4 stars.
Project description on GitHub: “Turn an iPad into a real extra monitor for Windows. Virtual display with hardware HEVC streaming over Wi-Fi, straight from Safari. No client app, no subscription”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: OpenWinSidecar is an open-source Windows tool for 64-bit PCs. Administrators can deploy it unattended.
Is OpenWinSidecar 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:
B2256A648C362C867FC2AF9C8C64EF40840A644B27A35B8002040987A0C2A200· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.1.1Latest | October 12, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id julianmb.OpenWinSidecar -eOpenWinSidecar-Setup-0.1.1.exe /SILENTRelated guide: How to use winget: install and update apps
Information
- Publisher
- julianmb
- Licence
- AGPL-3.0-only
- Price
- Free
- Source code
- github.com/julianmb/OpenWinSidecar
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 0.1.1
- Released
- October 12, 2026
- Added to the catalogue
- October 12, 2026
- Versions listed
- 1
- GitHub stars
- 4
- GitHub forks
- 1
- Website
- github.com
- winget ID
- julianmb.OpenWinSidecar
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is OpenWinSidecar free?
Yes. OpenWinSidecar is open-source software under the AGPL-3.0-only licence.
Is OpenWinSidecar 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 OpenWinSidecar 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 OpenWinSidecar be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does OpenWinSidecar run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.