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Backlog Zero icon

Backlog Zero

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Free game library manager for Mac & Windows. Unifies Steam, Xbox, GOG, Epic & Amazon in one place, detects duplicates across all platforms, tracks sessions, goals, and wishlist prices. No account. No cloud. No subscription. Your data stays on your machine.

Every game you own across all platforms in one place — with statuses, tags, cover art, and duplicate detection.

Cost / License

  • Free
  • Proprietary

Platforms

  • Windows
  • Mac  Requires macOS 12 Monterey or later. Not notarized
Decide what to play next with personalized recommendations, hidden gems, and the Backlog Picker.
Track your play patterns — genre breakdowns, completion rates, and behavioral trends built from your session history.
+2
A full dashboard of your library — total games, unplayed backlog, duplicates, hours played, platform breakdown, and wishlist value.
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Backlog Zero was added to AlternativeTo by BKGoodness on and this page was last updated .

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What is Backlog Zero?

Backlog Zero started as a question: how many times do I own the same game?

A Steam sale here, a free Epic claim there, a third-party key bought and forgotten — and suddenly you're about to buy a game you already own twice. That frustration turned into an app.

Backlog Zero is a personal game library manager for Mac and Windows. It pulls your games from Steam, Xbox, GOG, Epic, and Amazon Luna into one place, flags duplicates across platforms, and gives you a real picture of what you actually own.

Backlog Zero isn't a spreadsheet with a UI. It's a full picture of your gaming life — from your duplicate count to your gamer archetype — built entirely around your data, on your machine, going nowhere.

What's included:

Library management across Steam, Xbox, GOG, Epic Games, and Amazon Luna Duplicate detection across all platforms Statistics dashboard with Library Health Automatic Steam session tracking, manual logging for all other platforms Backlog goals and progress tracking Identity Dossier with 10 gamer archetype cards Habits dashboard Wishlist with price tracking Free games aggregator Backlog Picker Friends library comparison Full JSON export and import Dark, Light, and Accessible themes No account required. No cloud. No telemetry. Your data stays on your machine.

Want the full story or have any questions? Visit us at backlogzero.app

Backlog Zero is free. If it saves you from buying a game you already own, maybe it's worth a coffee — but it's entirely optional.