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Prismo
What it is
Prismo publishes Zephyr, a free, open-source desktop mod manager for Linux, macOS, and Windows. It supports about 200 games out of the box and combines browsing from Thunderstore and CurseForge. Users can install, update, organize, and switch between mod profiles for each game. Profiles can be shared with friends through a code or link. Optional cloud sync uses Discord sign-in to synchronize profiles across devices. Without signing in, profiles, configuration files, and preferences remain on the device, while public mod metadata is requested anonymously. Zephyr also includes an Archipelago multiworld randomizer with a bundled Python runtime, a configuration editor, gamepad navigation, and seven languages. The project is licensed under GPL-3.0, with source code on GitHub. Downloads include Windows .exe, Linux AppImage and .deb, and macOS .dmg installers. Cloud-enabled profile archives and metadata are stored with a hosting provider in France.
For and against
For
- Supports about 200 games out of the box
- Thunderstore and CurseForge browsing together
- Share profiles using a code or link
- Linux, macOS, and Windows downloads
- Open-source GPL-3.0 project
Against
- Cloud sync requires Discord sign-in
- Cloud data is stored with a provider in France
- No free trial is listed
The verdict
Zephyr offers broad game coverage, profile management, sharing, and optional synchronization across desktop platforms. Its local-first behavior and open-source license may appeal to users who prefer control over profile data.
Who it suits
It suits players managing mods across supported games and operating systems. It is also useful for users who want shareable profiles, optional synchronization, or an open-source tool.
Plans and prices
Zephyr (free)
Free, open source
Read 8 Oct 2026 · zephyr.prismo-studios.dev
On the record
- Automatic updates
- Yesprismo-studios.dev · read 22 Sep 2026
- Cloud data
- When users opt in to cloud sync, profile archives and metadata are stored on Prismo Studios' hosting provider in France.zephyr.prismo-studios.dev · read 8 Oct 2026
- Cloud sync
- Optional cloud sync lets users sign in with Discord and sync mod profiles across devices.zephyr.prismo-studios.dev · read 8 Oct 2026
- Deployment method
- copyprismo-studios.dev · read 22 Sep 2026
- Downloads
- The repository lists Windows .exe, Linux AppImage and .deb, and macOS .dmg installers.github.com · read 8 Oct 2026
- Game support
- Zephyr supports about 200 games out of the box.docs.zephyr.prismo-studios.dev · read 8 Oct 2026
- Mod profiles
- Yesprismo-studios.dev · read 22 Sep 2026
- Mod source access
- built-inprismo-studios.dev · read 22 Sep 2026
- Mod sources
- Zephyr lets users browse Thunderstore and CurseForge in one place.zephyr.prismo-studios.dev · read 8 Oct 2026
- Open source
- Zephyr is licensed under GPL-3.0 and its source code is available on GitHub.github.com · read 8 Oct 2026
- Other features
- Zephyr includes a config editor, gamepad navigation, and seven languages.github.com · read 8 Oct 2026
- Privacy
- Without signing in, profiles, configuration files, and preferences stay on the device, while public mod metadata is fetched using anonymous requests.zephyr.prismo-studios.dev · read 8 Oct 2026
- Profiles
- Users can create and switch between mod profiles for each game.github.com · read 8 Oct 2026
- Profile sharing
- Users can share a profile with a code or link so friends can use the same mod setup.zephyr.prismo-studios.dev · read 8 Oct 2026
- Purpose
- Zephyr is a desktop mod manager for browsing, installing, updating, and organizing game mods.docs.zephyr.prismo-studios.dev · read 8 Oct 2026
- Randomizer
- The app includes an Archipelago multiworld randomizer with a bundled Python runtime.github.com · read 8 Oct 2026
- Security
- The privacy policy says app-to-backend communications use HTTPS and refresh tokens are hashed before database storage.zephyr.prismo-studios.dev · read 8 Oct 2026
- Support
- The documentation directs users to Discord for documentation issues and GitHub Issues for app bugs.docs.zephyr.prismo-studios.dev · read 8 Oct 2026