Modpack GitHub Repositories (2026) · Open Source Tools

A simple Minecraft modpack focusing on performance and graphics enhancements.

Enjoy a seamless modpack installation process and effortless updates with a user-friendly solution that simplifies management, making your gaming experience a breeze.

Slimefun 4 - A unique Spigot/Paper plugin that looks and feels like a modpack. We've been giving you backpacks, jetpacks, reactors and much more since 2013.

Create a server pack from a Minecraft Forge, NeoForge, Fabric, LegacyFabric or Quilt modpack!

Drop your mods folder, a Prism or MultiMC instance or an .mrpack on Hopper and it answers what Horizon already does, what has a port and what is not there yet, then installs the rest.

PHP web app that brings differential updates to the Technic Launcher and Technic Platform

Minecraft server manager for Windows: create and host Paper, Purpur, Fabric, Forge, NeoForge and Velocity servers, install plugins and mods, automate restarts and backups, play with friends online, and check plugin/mod packs before they break your server. Free, open source.