Tweaks for COSMIC Alternatives

Apps similar to Tweaks for COSMIC include Rewaita, which is free and open source. Other options are GNOME Tweaks, System Mechanic®, Dconf Editor and Refine for GNOME. You're spoiled for choice with System Cleaners like Tweaks for COSMIC: we list more than 25 alternatives for Windows, Linux and Mac.

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Alternatives
Tweaks for COSMIC alternatives page was last updated

Alternatives list

  1. Rewaita icon
     11 likes

    Rewaita is a tool for recoloring GTK4/LibAdwaita apps to popular color schemes.

    Cost / License

    Since

    • Since 2025

    Platforms

    • Linux
    • Flathub
    Good alternative?
     
  2. Suite offering junk file removal, RAM boosting, defragmentation, internet setting optimization, automatic idle-time system maintenance, security vulnerability fixing, file recovery, malware protection, password management and user-friendly features for Windows.

    162 System Mechanic® alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    Good alternative?
     
  3. Dconf Editor icon
     7 likes

    Dconf is a low-level configuration system. Its main purpose is to provide a backend to GSettings on platforms that don't already have configuration storage system.

    Cost / License

    Since

    • Since 2019

    Platforms

    • Linux
    • Flathub
    • GNOME
    • Linux Mobile
    Good alternative?
     
  4. Tweak various aspects of GNOME.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Linux
    • Flathub
    • GNOME
    • Flatpak
    • Linux Mobile
    Good alternative?
     
  5. Norton Utilities is a software that improves PC performance and boot time by fixing common issues, freeing disk storage, and providing registry repair solutions. It works as a cleaner and optimizer for a smooth computer usage experience.

    129 Norton Utilities alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2013

    Platforms

    • Windows
    Good alternative?
     
  6. MacBooster icon
     3 likes

    Provides malware and virus detection, deep Mac system cleanup, startup management, duplicate file removal, frees up disk space, optimizes SSDs, and safeguards Macs from spyware, adware, and other threats while improving overall performance.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2016

    Platforms

    • Mac
    Good alternative?
     
  7. MacClean icon
     5 likes

    Empowers Mac users with powerful cleaning and optimization tools, ensuring device efficiency, increased security, and enhanced privacy with removal of system junk, duplicates, and management of startup items.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2015

    Platforms

    • Mac
    Good alternative?
     
  8. Unity Tweak Tool is a settings manager for the desktop. It provides users with a fast, simple and easy-to-use interface with which to access many useful and little known features and settings of the desktop environment that one may want...

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2014

    Platforms

    • Linux
    Good alternative?
     
  9. WinTools.net icon
     5 likes

    Is a suite of tools for increasing MS Windows operating system performance. WinTools.net cleanly removes unwanted software from disk drives and dead references from the Windows registry. WinTools.net puts you in control of the Windows start up process, memory monitoring and...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2014

    Alerts

    • Warning

    Platforms

    • Windows
    Good alternative?
     
  10. SystemTweaker is a safe and easy to use tool that lets you customize Windows to your taste. From Start menu tweaks to quick and easy changes to network behaviour, SystemTweaker comes packed with over 50 tweaks, all hand-picked to make your Windows experience a little more...

    93 Uniblue SystemTweaker alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    Good alternative?
     
  11. Tuner is the home for your additional system settings, components, applications, and whatever else you want!

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
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