# iliyami/MacSai

Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.

Repository: https://github.com/iliyami/MacSai
Canonical: https://ross.abutalabs.com/products/macsai
Homepage: https://github.com/iliyami/MacSai
Language: Swift
License: BSD-3-Clause
License Family: permissive
Topics: appkit, cleanmymac, cleanmymac-alternative, darwin, disk-cleaner, duplicate-finder, homebrew-cask, mac-cleaner, mac-utility, macos, macos-app, malware-scanner, no-subscription, open-source, privacy, swift, swift6, swiftui, system-cleaner, uninstaller
Last push: 2026-08-18T21:47:08+00:00

## Health v2 (maintenance only)
Score: 79/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 98, release rhythm 96, longevity 7
- inputs: {"age_days": 98, "days_push": 15, "days_rel": 25, "gap_med": 2, "n_releases_24m": 18}
- flags: young
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1463, forks 85 (observed 2026-08-28T04:04:47.397359+00:00)

## What it is
Mac Sai is a free, open-source macOS application that cleans junk files, scans for malware, uninstalls apps completely, and visualizes disk usage. It is an Apple-notarized, no-subscription alternative to CleanMyMac built with Swift 6 and SwiftUI.

## Use cases
- clean junk files from my mac
- find and remove malware on macos
- completely uninstall apps with leftover files
- visualize what is taking up disk space
- find duplicate files on my mac
- free alternative to CleanMyMac
- clear browser privacy traces and caches
- optimize my mac's performance

## When to choose
- you want a free, open-source, no-subscription Mac cleaner
- you need an all-in-one tool combining junk cleanup, uninstaller, malware scanning, and disk visualization
- you want a native SwiftUI app with no telemetry
- you prefer Apple-notarized software installable via Homebrew

## When to avoid
- you need deep antivirus protection with real-time threat detection
- you are on Linux or Windows rather than macOS 14+
- you prefer a command-line-only utility
- you need enterprise fleet management features

## Facets
- artifact type: application
- maturity: active
- function: security, file-system, privacy, gui, developer-tools
- domain: privacy, security, developer-tools, self-hosted
- platform: -
- tags: mac-cleaner, disk-cleanup, malware-scanner, app-uninstaller, cleanmymac-alternative, swiftui, system-optimizer, duplicate-finder, no-subscription, macos, desktop

## Member repositories
- iliyami/MacSai (main) score 79

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:47.397359+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:35:13.475103+00:00, confidence not recorded.
  - readme: https://github.com/iliyami/MacSai (fetched 2026-08-28T04:04:47.397359+00:00, sha b3c5a7212999)
  - homepage: https://github.com/iliyami/MacSai (fetched 2026-08-29T11:43:36.976495+00:00, sha aa3b759c6a9e)
- Data as of 2026-08-30T08:39:29.467469+00:00.