MacPaper

github.com/naomisphere/macpaper Mac Apps Open-source projectOpen source

moonleaf manages wallpapers on macOS, according to its project description.

github.com/naomisphere/macpaper
MacPaper homepage screenshot

About MacPaper

MacPaper is listed as a wallpaper manager for macOS. The repository's homepage text describes its successor, moonleaf, and notes that earlier versions were published under the MacPaper name, with pre-v3.0 releases licensed under GPLv3. The homepage describes support for GIF and video wallpapers, online wallpaper browsing, multi-monitor wallpapers, and exporting.

The repository was archived by its owner on October 10, 2026 and is now read-only. The author states that the project is mostly AI-generated, has flaws, and is not being updated. Installation requires macOS 12 (Monterey) or later and works on Silicon or Intel Macs. Because the author does not have an Apple Developer account, the app triggers an unidentified developer warning that must be bypassed in System Settings.

Key features

  • Wallpaper management with support for GIF and video wallpapers
  • Online wallpaper browsing
  • Multi-monitor wallpaper support
  • Wallpaper exporting
  • Homebrew cask installation
  • Building from source with a provided build script
Best for: Mac users on macOS 12 or later who want an open source wallpaper manager with animated or video wallpapers and are comfortable with an archived project.
Good for
  • Open source, with the current version licensed under the MIT License
  • Can be installed with Homebrew or built from source
  • Source includes translation files and a documented process for adding languages
Watch out for
  • The repository is archived and read-only, and the author has said they do not plan to update it
  • macOS shows an unidentified developer warning and may flag the app as possibly containing malware, requiring manual steps to open it
  • The author states the project is mostly AI-generated and has flaws

MacPaper at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
macOS
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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MacPaper FAQ

What macOS versions are supported?
The homepage lists macOS 12 (Monterey) or later, on both Silicon and Intel Macs.
Why does macOS warn about the app when it is opened?
The author does not own an Apple Developer account, so macOS shows a warning that the app is from an unidentified developer. The homepage says to open System Settings, go to Privacy & Security, and click Open Anyway. This only needs to be done once.
How can the app be built from source?
The homepage says you need Command Line Tools and Xcode installed, then clone the repository and run scripts/build.sh. The --all flag builds for all architectures; otherwise, it defaults to the host architecture.
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