This utility is designed to allow you to apply skins to the modern Steam client
Steam-Library-Manager
Manage Steam, Origin, and Uplay game libraries with this multi-library desktop utility.

About Steam-Library-Manager
Steam Library Manager is an open source utility to manage Steam, Origin, and Uplay game libraries and backups from one place. It supports drag and drop between libraries and backup folders, works with existing Steam backups and its own open backup system, and includes backup updating, compression, and a cleaner for leftover files.
The repository is no longer actively maintained, though the maintainer reports no known bugs. It is not affiliated with Valve, Electronic Arts, or Ubisoft.
Key features
- Manage Steam, Origin, and Uplay libraries in one place
- Drag and drop between libraries and backup folders
- Use existing Steam backups or SLM open backup system
- Update backups without recreating them from scratch
- Back up Workshop content and ENB, ReShade, SweetFX mods
- Clean leftover files and compact games to save space
- Free and open source under MIT license
- Manages Steam, Origin, and Uplay libraries in one tool
- Backup files are open and accessible
- Repository is no longer actively maintained
Steam-Library-Manager at a glance
- Category
- Gaming › Steam Communities & Tools
- Type
- Open-source project
- Pricing
- Free
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Steam-Library-Manager FAQ
Is the project still maintained?
Does it work with existing Steam backups?
Is it affiliated with Steam, EA, or Ubisoft?
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