MacSai
MacSai is a free, open-source security and privacy app for macOS. Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. It has 1,773 GitHub stars and is released under the BSD-3-Clause license. Its source code is on GitHub at iliyami/MacSai.
About MacSai
The open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.
Install MacSai
Package names found in the project's README. Each links to its package page so you can check the publisher first.
brew install --cask mac-saiSimilar apps
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What is MacSai?
MacSai is a free, open-source security and privacy app for macOS. Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. It has 1,773 GitHub stars and is released under the BSD-3-Clause license. Its source code is on GitHub at iliyami/MacSai.
Is MacSai free and open source?
Yes. MacSai's source code is public on GitHub under the BSD-3-Clause license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install MacSai?
Homebrew: brew install --cask mac-sai. The commands are on this page. Installers are also on its GitHub Releases page (latest: v1.21.3).
Is MacSai still maintained?
The repository's most recent commit was on Oct 8, 2026. appsgit only lists apps whose repository had a commit in the last six months.