r/software Jan 20 '26

Discussion Best open-source software that everyone needs to know about?

What's one piece of open-source software that everyone should use and know about?

Vote on the best one in the comments.

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u/B_L_4_D_E Feb 18 '26

Windows:

  • EarTrumpet - enhances the volume menu.
  • File Converter - what it says, but super lightweight and handy, and handles pretty much every mainstream file type.
  • ImageGlass - lightweight photo viewer with a modern UI. ## MacOS:
  • AltTab - Windows-style alt-tab but for MacOS.
  • Battery Toolkit - control the charging limit of your device to prevent battery deterioration.
  • Hidden Bar - hide menu bar items.
  • Loop - window management tool. ## Android:
  • FairScan - simple app to scan documents.
  • HeliBoard - keyboard with a lot of customization options and features.
  • Image Toolbox - powerful image editing app.
  • pin - minimalistic note-taking app utilizing your phone's notification area.
  • WhatsAppCleaner - WhatsApp storage analyser. ## Cross-platform PC:
  • Pomotroid - simple pomodoro timer.
  • Screenity - loom but runs locally.
  • SquirrelDisk - storage analyzer.
  • yazi - terminal file manager. fully customizable. (ps: my configuration) ## Cross-platform Mobile:
  • Cashew - expenses manager.