1# Use case collections1# Use case collections
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3[ 3[Productivity & Collaboration Coordinate work across apps, data, and teams.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration) [Web development Build responsive UI from designs and prompts.](https://developers.openai.com/codex/use-cases/collections/web-development) [Game development Prototype loops, UI, and gameplay faster.](https://developers.openai.com/codex/use-cases/collections/game-development) [Native development Build and debug iOS and macOS apps.](https://developers.openai.com/codex/use-cases/collections/native-development) [Production systems Navigate, refactor, and review real codebases.](https://developers.openai.com/codex/use-cases/collections/production-systems)
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5## Production systems
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7Use Codex to navigate real codebases, make controlled changes, codify repeatable work, and keep production quality high.](https://developers.openai.com/codex/use-cases/collections/production-systems)[ 
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9## Productivity and collaboration
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11Work with Codex to analyze data and complex source material, combine multiple apps and services, and turn insights into action.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration)[ 
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13## Web development
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15Turn design inputs into responsive UI, and iterate on the frontend with scoped changes and fast reviews.](https://developers.openai.com/codex/use-cases/collections/web-development)[ 
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17## Native development
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19Build for iOS and macOS, refactor native UI, expose app actions, and verify your work with the right loop.](https://developers.openai.com/codex/use-cases/collections/native-development)[ 
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21## Game development
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23Develop games with Codex, from the first playable loop to production quality.](https://developers.openai.com/codex/use-cases/collections/game-development)
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