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Built from scratch with Rust + egui for instant startup, minimal resource usage, and a modern native experience that puts you in control.
curl -sSfL https://vesper.devflare.de/install | shInstaller under development
Currently targeting macOS / Linux · Public beta coming soon
Designed with performance, safety, and customization in mind. Explore what sets Vesper apart.
Launch Minecraft in a flash! No waiting around, just hop in and play.
Install and manage mods with a click via Modrinth & CurseForge integration.
A focused, elegant interface crafted for clarity, speed, and ease of use.
Microsoft OAuth login with robust privacy—never tracks, always secure.
Stay current effortlessly—updates arrive seamlessly and keep you safe.
Built from the ground up with performance as the foundation. See how we compare to popular launchers.
Native Rust binary vs Electron/Java overhead
Lightweight native UI vs heavy frameworks
Wide mod loader compatibility
*Metrics based on typical benchmarks. Actual performance may vary. Labymod data from labymod.net/downloads.
Be among the first to experience the next generation of Minecraft launching.
Public beta opening soon. Stay tuned for official release dates.
Connect with fellow testers and get early access to features.
Experienced with Rust + egui? Apply for early access via Discord.
Limited spots available for early beta testers with Rust/egui experience
An open-source project dedicated to creating the best Minecraft launching experience.
Vesper provides powerful tools and APIs for developers to create plugins, integrate mod loaders, and extend functionality.
Build custom plugins using our comprehensive TypeScript/JavaScript API
Full compatibility with Forge, Fabric, and Quilt mod loaders
Detailed guides, API references, and example projects
Vesper is designed for seamless, fast performance—lightweight on resources, but tuned for modern desktop hardware.
Java 17 or 21 (required)
Vesper requires Java to run Minecraft. Download from adoptium.net
Windows 10/11 (64-bit)
Linux and macOS support coming soon
Intel Core i5 / AMD Ryzen 5 or better
Modern dual-core processor recommended
4 GB minimum, 8 GB recommended
More RAM allows for larger modpacks
1 GB available space
Plus additional space for Minecraft installations
Stable broadband connection
Required for multiplayer and mod downloads
Answers to what people usually want to know about Vesper and why it is different.
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