Cosmic Client vs OpenJar Launcher
| Cosmic Client | OpenJar Launcher | |
|---|---|---|
| Platforms | Windows | Windows, macOS, Linux |
| Free plan | Yes | Yes |
| Desktop OS support | windows | |
| Separate instances | Yes | |
| Modpack import | both | |
| Java runtime management | Yes | |
| Built-in modpack catalog | Yes | |
| Automatic updates | Yes |
Listed together in Best Minecraft Launchers