Onyx Launcher contributors is an open-source development group centered around a single project hosted on GitHub, with the source code, issue tracking, and community contributions managed through a public repository. The group's flagship and currently sole product is Onyx Launcher, an open-source Minecraft launcher designed to simplify the setup, customization, and maintenance of Minecraft installations on the desktop. The launcher focuses on isolated game instances, allowing users to maintain multiple separate environments, each with its own game version, settings, and modifications, so that different modpacks or play styles do not interfere with one another. It integrates directly with Modrinth, the popular community platform for Minecraft mods, modpacks, resource packs, and shaders, enabling users to browse, install, and update content from within the application rather than downloading files manually. A key convenience feature is automatic Java management: the launcher detects and provisions the appropriate Java runtime required by each Minecraft version, removing one of the most common sources of setup errors for players. Diagnostics tooling is included to help users and support communities identify and resolve launch failures, crashes, and configuration problems through logs and system information. Safe backup functionality rounds out the feature set, letting players preserve their worlds, configurations, and mod setups before making changes, so that experiments or updates can be rolled back without data loss. Typical use cases include players managing heavily modded instances, server participants who need version-specific setups, and content creators who switch between configurations frequently. Distributed as open-source software, Onyx Launcher invites community inspection and contribution, fitting the catalog category of game utilities and desktop application launchers.
Open-source Minecraft launcher for isolated instances, Modrinth content, automatic Java, diagnostics, and safe backups.
Details