Sumbo is a free, open-source Windows utility that live-mirrors any window using native DWM thumbnails. Keep a chat, a video, a dashboard, or a game map floating above your work — with zero impact on the source window (no capture, no injection, no performance cost to the mirrored app). Features: region crop, opacity 10-100%, click forwarding, click-through, size presets and 9-point screen anchoring, profiles, group switching, overlay (UI-hidden) mode, tray residency, startup update check, and a UI in 18 languages.
Yes. Sumbo is free and open-source software released under the MIT license.
What is the latest version of Sumbo?
The latest version is 1.2.0, released on Jul 10, 2026.
Is it safe to download Sumbo?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 9de0f0c5a276c80997428cd792b62a36216c9790fa013de2f6aac3e3acb99666.
Which Windows versions does Sumbo support?
Sumbo requires Windows 10 or later and is available for 64-bit (x64) systems.
How do I install Sumbo silently?
Run the offline installer with msiexec /i "Sumbo-1.2.0-win-x64.msi" /quiet /norestart, or install it with Windows Package Manager: winget install --id=koprodev.Sumbo -e --silent.
How do I uninstall Sumbo?
Open Settings › Apps › Installed apps, find Sumbo and select Uninstall. From the command line, run winget uninstall --id=koprodev.Sumbo -e.
Alternatives to Sumbo
Other System Utilities programs for Windows from different developers.
