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SPECIFICTION
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OpenSave

savesync.qzz.io

Free plan WindowsmacOSLinuxAPISelf-hosted
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Spec score 7.8 #14 of 27 in Game Save Managers

What it is

OpenSave syncs game saves among a user's devices, including emulator saves and games outside Steam Cloud. It can identify games using an offline, community-maintained index of more than 20,000 titles, or track a folder or file selected by the user. Devices can find each other over the same Wi-Fi or pair over the internet with a room code, without an account or port forwarding. OpenSave keeps versioned snapshots and supports rollback and branches; when it finds conflicting saves, it asks the user how to resolve them. Optional snapshot backups can go to Google Drive, Dropbox, OneDrive, WebDAV, or a NAS folder. On a LAN, devices communicate directly. Internet syncing uses an encrypted connection to a stateless relay, but the encryption ends there and the relay could read forwarded data. Users can self-host the relay and manage its daemon and CLI through a local REST/WebSocket API. It is free and MIT-licensed, with Windows, Linux, Steam Deck, and macOS options. On a stock Steam Deck, the Linux tarball will not start; the site recommends the Flatpak.

Spec sheet

Purpose
OpenSave syncs game saves between a user's devices, including saves for emulators and games outside Steam Cloud.Read 4 Oct 2026 · savesync.qzz.io
Integrations
Optional snapshot backups can be mirrored to Google Drive, Dropbox, OneDrive, WebDAV, or a NAS folder.Read 4 Oct 2026 · savesync.qzz.io
Automatic detection
The site says OpenSave includes an offline, community-maintained database indexing more than 20,000 games and can also track a chosen folder or file.Read 4 Oct 2026 · savesync.qzz.io
CLI support
The headless daemon and CLI support scan, add, status, snapshot, rollback, branch, and checkout for servers, NAS devices, Steam Deck, and scripts.Read 4 Oct 2026 · savesync.qzz.io
Internet relay security
The site says internet sync uses an encrypted connection to a stateless relay, but that encryption ends at the relay, which could read forwarded data.Read 4 Oct 2026 · savesync.qzz.io
License and code
OpenSave is described as free, open source, and MIT-licensed, with its code hosted on GitHub.Read 4 Oct 2026 · savesync.qzz.io
Live sync
Devices discover each other on the same Wi-Fi or can pair across the internet using a room code, without port forwarding or an account.Read 4 Oct 2026 · savesync.qzz.io
Local network security
The site says devices communicate directly on LAN without a relay and saves are persisted on users' devices, or their own cloud storage if enabled.Read 4 Oct 2026 · savesync.qzz.io
Self-hosting and API
The project says users can self-host the relay and drive its headless daemon and CLI through a local REST/WebSocket API.Read 4 Oct 2026 · github.com
Snapshots and conflicts
OpenSave creates versioned snapshots, supports rollback and branches, and asks users how to resolve detected save conflicts.Read 4 Oct 2026 · savesync.qzz.io
Steam Deck limit
The site says the Linux tarball will not start on stock Steam Deck because SteamOS lacks WebKitGTK, and directs users to the Flatpak.Read 4 Oct 2026 · savesync.qzz.io
Support and documentation
The site links to a getting-started guide, CLI documentation, Discord, GitHub issues, and bug reporting.Read 4 Oct 2026 · savesync.qzz.io
Supported platforms
The download page lists Windows, Linux, and Steam Deck; the project README also lists a macOS app and macOS CLI builds.Read 4 Oct 2026 · github.com

Plans and prices

Free Free Free and open source; no subscription No pro tier · no ads · no telemetry Read 4 Oct 2026 · savesync.qzz.io

Every OpenSave plan and price →

Strong points and limits

Strong points

  • Offline index covers more than 20,000 games.
  • Syncs over Wi-Fi or via room-code pairing.
  • Snapshots support rollback and branches.
  • Optional backups include cloud services and NAS folders.
  • Free and MIT-licensed; Windows, Linux, Steam Deck, and macOS options.

Limits

  • Internet relay can read forwarded data.
  • Linux tarball will not start on stock Steam Deck.
  • Conflict resolution requires the user to choose.

Who it suits

OpenSave suits players who want saves shared across computers or emulation devices, and users comfortable managing a CLI or self-hosted relay. Stock Steam Deck users should use the Flatpak rather than the Linux tarball.

Verdict

OpenSave combines game-save syncing with snapshots and several backup destinations. Its internet relay's encryption ends at the relay, so that boundary matters to users choosing how to sync.

Where Specifiction places it

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