ℹ️About VIS Launcher

VI Software Launcher

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Connect to VI Software servers hassle-free - let VIS Launcher handle updates and pre-configure your mod installations for VIS experiences.

✨ Features

🔒 Complete Account Management

  • Add multiple accounts and switch between them easily

  • Compatible with VI Software Web oAuth 2.0

  • Compatible Legacy Login of VIS' Yggdrasil Auth

  • Full VIS' Yggdrasil Auth authentication support

  • Credentials are never stored - transmitted directly to VI Software servers

📂 Efficient Asset Management

  • Get client updates as soon as we release them

  • Files are validated before launch - corrupted or incorrect files will be redownloaded

☕ Automatic Java Validation

  • If you have an incompatible Java version, we'll install the correct one for you

  • No Java installation required to run the launcher

Additional Features

  • ⚙️ Intuitive configuration management with Java control panel

  • 🎮 Support for all servers inside the platform

    • Switch between server configurations easily

    • View total players connected on selected server

  • 🔄 Automatic launcher updates

  • 📊 VI Software services status monitoring

This is not an exhaustive list. Download and install the launcher to see everything it can do!

📚 Documentation

Need help? Check out our wiki

📥 Downloads

You can download the launcher from:

📜 User Agreement

By using VI Software Launcher, you agree to:

Legal Notice

NOTICE: By downloading, installing, or using the VIS Launcher you acknowledge and agree that your use is governed by VI Software's platform policies (including the Terms of Service, Platform License Agreement, and Code of Conduct) which are incorporated by reference and form part of your legal obligations when interacting with VI Software services.

The VIS Launcher software is distributed under the GNU Affero General Public License v3.0 (AGPLv3). The AGPLv3 governs the distribution, modification, and use of the software code itself; however, any access to or use of VI Software's online services, hosted infrastructure, accounts, or other platform resources ("Services") is governed in full by the Platform License Agreement and Terms of Service. In the event of any inconsistency between the AGPLv3 and the PLA or ToS, the PLA and ToS shall prevail solely with respect to the Services.

For the full, authoritative terms see:

  • https://docs.visoftware.dev/vi-software/guidelines/terms-of-service

  • https://docs.visoftware.dev/vi-software/guidelines/platform-license-agreement

  • https://docs.visoftware.dev/vi-software/guidelines/code-of-conduct

By continuing to use the VIS Launcher and VI Software services you confirm that you have read, understood, and agreed to these terms.

🔧 Loader Support List

You can view the version support list for this release here

🐛 Bug Reports

Found a bug? Report it here

📄 Project License

VIS Launcher is licensed under the GNU Affero General Public License (AGPL) Version 3.0. For more details, see the full license here.

GNU AFFERO GENERAL PUBLIC LICENSE
=========================================================

    Copyright (C) 2025 VI Software

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY

VIS Launcher is provided “AS IS”, WITHOUT WARRANTY OF ANY KIND, either express or implied, including, without limitation, warranties of merchantability, fitness for a particular purpose, non-infringement, uninterrupted operation, or error-free functionality. To the maximum extent permitted by applicable law, under no circumstances shall VI Software, its contributors, licensors, affiliates, officers, or agents be liable for any claim, damages, or other liability, whether in contract, tort, or otherwise, arising from, out of, or in connection with the software or the use, performance, or inability to use the same.

Credits

  • VIS Launcher uses Authlib Injector 1.2.5, an authentication injection library for VI Software's custom services, licensed under AGPL-3.0 with the "AUTHLIB-INJECTOR" exception. Learn more about Authlib Injector on its official GitHub repository.

  • Based on HeliosLauncher (v2.1.0)

  • All third parties licenses can be found here

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