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FLauncher vs Spectra Launcher

Both stand on minecraft launchers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

FLauncher

Free plan Open source LinuxMacWindows

FLauncher focuses on isolated Minecraft instances, modpacks, and Java management while adding optional performance and privacy controls. It is a practical fit for players using either listed desktop platform.

Visit FLauncher

Spectra Launcher

Free plan LinuxMacWindows

Spectra Launcher brings instance management, pack installation, and several Minecraft utilities into one free desktop program. Note the code-signing caveat when installing it.

Visit Spectra Launcher

The facts

FLauncherSpectra Launcher
Free planYesYes
Open sourceYesNot published
Runs onLinux, Mac, WindowsLinux, Mac, Windows
Lowest paid planFree or on requestFree or on request
Plans published21
MakerNot publishedNot published
Websitegithub.comgithub.com
On minecraft launchers#2 of 76#6 of 76

FLauncher: what it does well

  • Free under GPL-3.0-only
  • Supports Windows and macOS
  • Separate folders for each instance
  • Installs mods from Modrinth and CurseForge
  • Manages Java versions per instance

What to know first

  • Limited to Windows and macOS
  • Proxy routing requires the FLAUNCHER_PROXY environment variable
  • Some performance features are optional

Spectra Launcher: what it does well

  • Keeps game versions, mods, and worlds separate by instance.
  • Installs packs from Modrinth and CurseForge.
  • Automatically finds and installs required Java.
  • Imports and exports instances.

What to know first

  • The app is not yet code-signed.
  • Discord status and playtime tracking are off by default.
  • Crash reports are sent only when users choose to share them.

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