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- Spectra Launcher
Spectra Launcher
What it is
Spectra Launcher is a free desktop program for starting Minecraft and keeping installations separate. Each instance has its own game version, mods, and worlds, with support for Vanilla, Fabric, Quilt, Forge, and NeoForge. The launcher browses and installs mods, shaders, resource packs, and modpacks from Modrinth and CurseForge, including required dependencies. Users can sign in with Microsoft/Xbox or use offline accounts, and the program finds and installs the required Java version. Instances can be imported from Prism, CurseForge, and the Modrinth app, then exported as .mrpack or .zip files. Shared views collect worlds and screenshots; other features include 3D skin previews, saved skins, cape switching, Quick Play for Minecraft 1.20+, server status with player counts and ping, live logs, crash-report sharing, optional Discord status, and playtime tracking. Downloads are listed for Windows x64, macOS Apple Silicon and Intel, and Linux x64 AppImage and deb. The maker says accounts, settings, and instances stay on the user's computer. Discord status and playtime tracking are off by default, and crash reports are shared only by choice.
For and against
For
- Keeps versions, mods, and worlds separate by instance
- Installs required Java versions automatically
- Imports instances from three listed launchers
- Supports multiple mod loaders
- Free desktop program
Against
- The app is not yet code-signed
- Discord status and playtime tracking are off by default
The verdict
Spectra Launcher brings instance management, modpack tools, and several Minecraft utilities together at no cost. Users should note the unsigned-app warnings described for Windows and macOS.
Who it suits
Spectra Launcher suits Minecraft players who want separate installations, modpack management, and account or Java handling in one desktop program. It is available for Windows, macOS, and Linux.
Plans and prices
Spectra Launcher
Free program for your computer
Read 9 Oct 2026 · github.com
On the record
- Accounts and Java
- It supports Microsoft/Xbox sign-in and offline accounts, and automatically finds and installs the required Java version.github.com · read 9 Oct 2026
- Automatic updates
- Yesgithub.com · read 19 Sep 2026
- Built-in modpack catalog
- Yesgithub.com · read 19 Sep 2026
- Checksums
- The release page lists SHA-256 checksums for downloadable assets.github.com · read 9 Oct 2026
- Downloads
- The latest release lists Windows x64, macOS Apple Silicon and Intel, and Linux x64 AppImage and deb downloads.github.com · read 9 Oct 2026
- Extras
- Features include Quick Play for Minecraft 1.20+, server status with player counts and ping, live logs, crash-report sharing, optional Discord status, and playtime tracking.github.com · read 9 Oct 2026
- Import and export
- Users can import instances from Prism, CurseForge, and the Modrinth app, and export instances as .mrpack or .zip files.github.com · read 9 Oct 2026
- Instances
- Each instance keeps its own Minecraft version, mods, and worlds, and supports Vanilla, Fabric, Quilt, Forge, and NeoForge.github.com · read 9 Oct 2026
- Java runtime management
- Yesgithub.com · read 19 Sep 2026
- Library
- The launcher brings worlds and screenshots from instances into shared views and provides 3D skin previews, saved skins, and cape switching.github.com · read 9 Oct 2026
- Mod loader support
- multiplegithub.com · read 19 Sep 2026
- Modpack import
- bothgithub.com · read 19 Sep 2026
- Mods and packs
- It browses and installs mods, shaders, resource packs, and modpacks from Modrinth and CurseForge, including required dependencies.github.com · read 9 Oct 2026
- Optional data sharing
- Discord status and playtime tracking are off by default, and crash reports are sent only when users choose to share them.github.com · read 9 Oct 2026
- Privacy
- The maker says Microsoft/Xbox passwords are not seen by Spectra, and accounts, settings, and instances are stored on the user's computer.github.com · read 9 Oct 2026
- Purpose
- Spectra Launcher is a free desktop program for starting Minecraft and managing multiple installations.github.com · read 9 Oct 2026
- Security caveat
- The README says the app is not yet code-signed and provides instructions for Windows SmartScreen and macOS certificate warnings.github.com · read 9 Oct 2026
- Separate instances
- Yesgithub.com · read 19 Sep 2026
