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f.lux

brew install --cask flux-app v42.2

Adjusts screen color temperature throughout the day to reduce blue light at night.

Why you might care

Helps reduce eye strain and improves sleep by warming your display in the evening, matching natural light cycles. It's a lightweight, background utility that works automatically once configured, making it useful for anyone spending long hours at screens.

Categories

system-utility menubar

Alternatives

Night Shift Iris Redshift
332
30-day installs · #637
977
90-day · #651
4.4k
365-day · #546

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata 
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  "alternatives": [
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    "Iris",
    "Redshift"
  ],
  "artifacts": [
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      "target": "/Applications/Flux.app"
    },
    {
      "zap": [
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            "~/Library/Caches/org.herf.Flux",
            "~/Library/Containers/com.justgetflux.flux",
            "~/Library/Cookies/org.herf.Flux.binarycookies",
            "~/Library/Preferences/org.herf.Flux.plist"
          ]
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  "categories": [
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  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Screen colour temperature controller",
  "disable_reason": null,
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  "enrichment_fetched_at": "2026-06-20T22:42:50+00:00",
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  "github_topics": [],
  "homepage": "https://justgetflux.com/",
  "homepage_og_description": "Software to warm up your computer display at night, to match your indoor lighting.",
  "homepage_og_image": "http://justgetflux.com/flux-icon-big.png",
  "homepage_title": "f.lux: software to make your life better",
  "installs_30d": 332,
  "installs_365d": 4444,
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  "last_seen": "2026-06-20T00:47:34+00:00",
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  "raw_hash": "69ba237a7523d686",
  "ruby_source_path": "Casks/f/flux-app.rb",
  "tap": "homebrew/cask",
  "token": "flux-app",
  "version": "42.2",
  "why_use_this": "Helps reduce eye strain and improves sleep by warming your display in the evening, matching natural light cycles. It\u0027s a lightweight, background utility that works automatically once configured, making it useful for anyone spending long hours at screens."
}