"O" is a purely web-based tool (with optional self-hosted versions for privacy). There is no executable to download, no risk of a Steam ban (since it only uses public APIs and CDN endpoints), and no background process.
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: Keeping local backups of mods in case they are removed from the Workshop by the creator or Valve. Restricted Environments Steam Workshop Downloader O
Many of these free sites rely on intrusive ads to stay online. "O" is a purely web-based tool (with optional