Alternatives to O&O AppBuster
A free Windows tool for removing preinstalled and hidden Windows apps you do not want. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
O&O AppBuster
A free Windows tool for removing preinstalled and hidden Windows apps you do not want.
Replacements
Listings that take over the same core job as O&O AppBuster.
Win11Debloat
A PowerShell script that removes pre-installed apps, disables telemetry and simplifies the Windows interface, with no installation.
Win11Debloat is an open-source PowerShell script that also disables telemetry and simplifies the interface, and it can export settings for use on other machines.
Bloatynosy
A small open-source Windows 11 tool for removing preinstalled bloat and unwanted default settings.
Bloatynosy is a small MIT-licensed executable focused on Windows 11 bloat and default settings, whereas O&O AppBuster is closed source and focused on app removal.
Winhance
An open-source Windows app for debloating, optimizing and customizing Windows settings.
Winhance is open source and combines app removal with tweaks, customization and app installation, so it changes more of Windows than O&O AppBuster does.
WinUtil
Chris Titus Tech's Windows toolbox: bulk app installs, system tweaks, troubleshooting tools and update control in one PowerShell interface.
WinUtil is an open-source PowerShell toolbox that adds bulk app installs, tweaks and update control, and it must run as administrator from a downloaded script.
Sophia Script for Windows
PowerShell module for fine-tuning Windows 10 and 11 settings, privacy options and built-in apps.
Sophia Script for Windows is an open-source PowerShell module with very granular per-function settings for Windows 10 and 11, including built-in app removal.
Bulk Crap Uninstaller
Uninstalls fifty Windows programs in one pass and cleans up the files and registry keys they leave behind.
Bulk Crap Uninstaller is open source under Apache-2.0 and removes Store apps along with desktop programs and leftovers, in one queue.
Similar software
Related functionality, not a direct replacement.
NTLite
A Windows image customizer for removing components, integrating updates and drivers, and automating setup.
tiny11builder
PowerShell scripts that build a trimmed-down Windows 11 installation image from an official ISO.
DoNotSpy11
A Windows utility for switching off telemetry, advertising and other privacy-related settings in Windows 10 and 11.
W10Privacy
A Windows utility that gathers privacy and telemetry settings in one window so you can change them.
AtlasOS
Open-source Windows modification that reduces bloat for performance, privacy and gaming.
ReviOS
Windows playbook applied with AME Wizard to optimize and trim Windows 10 and 11 installs.
