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f.lux alternatives · Utilities

Open-source alternatives to f.lux

f.lux is not described as open source on its own site. 53 of the 186 other desktop utilities in this directory are open source, according to their own sites.

f.lux has a free plan. Paid plans start at $24 per device, one-time (Windows Corporate Edition). 52 of them are free or have a free plan.

53 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to f.lux

  1. MonitorControl

    Free, open-source brightness and volume control for Mac displays

    • MonitorControl is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • MonitorControl is open source, according to its own site.
    MonitorControl vs f.luxMonitorControl pricing and details

  2. Twinkle Tray

    Free brightness sliders for external monitors on Windows

    • Twinkle Tray is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists macOS and Linux apps.
    • Twinkle Tray is open source, according to its own site.
    Twinkle Tray vs f.luxTwinkle Tray pricing and details

  3. Karabiner-Elements

    Free, open-source keyboard customizer for macOS

    • Karabiner-Elements is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Karabiner-Elements is open source, according to its own site.
    • Karabiner-Elements also covers keyboard and mouse remapping.
    Karabiner-Elements pricing and details

  4. Maccy

    Lightweight, open-source clipboard manager for macOS

    • Maccy starts at $4.99 or more, pay what you want (website download via Gumroad). f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Maccy is open source, according to its own site.
    • Maccy also covers clipboard manager.
    Maccy pricing and details

  5. Stats

    Free, open-source system monitor for the Mac menu bar

    • Stats is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Stats is open source, according to its own site.
    • Stats also covers system monitor.
    Stats pricing and details

  6. Thaw

    Free, open-source menu bar manager for macOS

    • Thaw is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Thaw is open source, according to its own site.
    • f.lux also covers display control.
    Thaw pricing and details

  7. Hidden Bar

    Free, open-source utility that hides macOS menu bar icons

    • Hidden Bar is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Hidden Bar is open source, according to its own site.
    • f.lux also covers display control.
    Hidden Bar pricing and details

  8. SwiftBar

    Open-source tool that puts script output in the Mac menu bar

    • SwiftBar is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • SwiftBar is open source, according to its own site.
    • f.lux also covers display control.
    SwiftBar pricing and details

  9. boring.notch

    Turns the MacBook notch into a music player and file shelf

    • boring.notch is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • boring.notch is open source, according to its own site.
    • f.lux also covers display control.
    boring.notch pricing and details

  10. EarTrumpet

    Per-app volume mixer for the Windows system tray

    • EarTrumpet is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists macOS and Linux apps.
    • EarTrumpet is open source, according to its own site.
    • f.lux also covers display control.
    EarTrumpet pricing and details

  11. KeepingYouAwake

    Menu bar utility that stops a Mac from going to sleep

    • KeepingYouAwake is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • KeepingYouAwake is open source, according to its own site.
    • f.lux also covers display control.
    KeepingYouAwake pricing and details

  12. Ice

    Menu bar manager for hiding and arranging Mac menu items

    • Ice is free. f.lux starts at $24 per device, one-time (Windows Corporate Edition).
    • Only f.lux lists Windows and Linux apps.
    • Ice is open source, according to its own site.
    • f.lux also covers display control.
    Ice pricing and details

41 more that are open source

All 53 in one table

Common questions

Is there an open-source alternative to f.lux?

Yes. MonitorControl, Twinkle Tray, Karabiner-Elements, Maccy, Stats, Thaw, Hidden Bar, SwiftBar and 45 more are open source, according to their own sites.

Is f.lux open source?

f.lux is not described as open source on its own site. The listing was checked on Oct 6, 2026 against the pages it cites.

Which of these desktop utilities are free?

MonitorControl, Twinkle Tray, Karabiner-Elements, Maccy, Stats, Thaw, Hidden Bar, SwiftBar and 44 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to f.lux: the alternatives its listing names first, then the tools that share the most features with it.