109k+ downloads

Deceivingly simple, incredibly powerful.

A free, open source launcher for Minecraft. Modpacks, mods, shaders and resource packs from Modrinth, and your friends' servers, in one fast app.

Download for Windows

Windows 10 and 11 All downloads

Lodestone Launcher showing an instance library, with a cherry grove at sunset behind the selected instance

Fast: built on GPUI, the same technology as Discord's Project Phoenix.
Join a friend's server in one click. Open their invite link, or add them as a friend and skip it: the launcher sets up an instance with the server's mods and connects, without port forwarding.
Set up for your computer: new instances get memory, render distance and settings that suit your computer and their mods.
Your own servers too: start, stop and join Lodestone Host's servers from the launcher.

Faster than the rest

Built on GPUI, the incredibly fast and lightweight technology that powers Discord's Project Phoenix.

We actually care about your computer and its resources (because we use it too). You can see how it stacks up to the five other launchers on the same PC (spoiler alert: we are the best).

Window on screenFrom launch, lower is better

Lodestone108 ms
Prism249 ms
Modrinth App617 ms
CurseForge1,198 ms
GDLauncher768 ms
ATLauncher1,373 ms

Ready to playUntil it stops using the CPU, lower is better

Lodestone0.18 s
Prism0.33 s
Modrinth App6.59 s
CurseForge12.70 s
GDLauncher9.67 s
ATLauncher3.35 s

CPU while idleShare of one core, lower is better

Lodestone0.01%
Prism0.27%
Modrinth App11.95%
CurseForge35.91%
GDLauncher16.05%
ATLauncher0.09%

Memory while idleRAM in use, lower is better

Lodestone80 MB
Prism82 MB
Modrinth App1,544 MB
CurseForge1,819 MB
GDLauncher1,743 MB
ATLauncher206 MB

Time to quitFrom closing the window until it has exited, lower is better

Lodestone14 ms
Prism165 ms
Modrinth App407 ms
CurseForgeStays in the tray
GDLauncher565 ms
ATLauncher166 ms

Size on diskInstalled, lower is better

Lodestone40.3 MB
Prism70.4 MB
Modrinth App51.7 MB
CurseForge424.3 MB
GDLauncher448.1 MB
ATLauncher155.1 MB

Measured on one Windows 11 PC (Ryzen 9 9950X3D, 64 GB), each launcher signed in to a Microsoft account, between 10 and 13 November 2026: starting is the median of 5 runs, idle from 30 seconds after start for 60 seconds. Lodestone built from main, Prism 11.1.1, Modrinth App 0.23.1, CurseForge 1.326, GDLauncher 2.0.40, ATLauncher 3.4.41.3. Memory set aside at idle: Prism 43 MB, Lodestone 64 MB, the others 254 MB to 1.7 GB. CurseForge and GDLauncher play video ads while idle.