Modrix

The full write-up

Modrix is a free, open-source mod manager for players who move between several games and prefer a choice of graphical, terminal, or command-line control. It is particularly well suited to Linux users running Steam and Proton, while anyone needing a mature, low-maintenance release should weigh its pre-release status first. Overview Modrix puts GUI, TUI, and CLI frontends over one shared engine, positioning it as an open-source alternative to Vortex rather than a collection of unrelated utilities. The project includes built-in support for 86 games, and a community plugin registry can add more. That makes it a plausible single manager for a varied library, although game coverage beyond the built-in list depends on community additions. Nexus Mods downloads take a browser-extension route: the extension passes download URLs and session cookies to Modrix, which then downloads and stages the files without using the Nexus API or asking for an API key. This removes an API-key setup requirement, but the workflow depends on installing and using that extension. Key features Deployment is built around recovery rather than risky file replacement. Modrix uses hardlinks where possible, backs up files before overwriting them, journals changes for crash recovery, and can reverse a deployment. For players who regularly change large mod sets, those protections provide a practical way to recover from an interrupted or unwanted change. Conflict detection shows clashes among enabled mods, then offers rules and per-file overrides to decide which content should win. That is useful for loadouts with overlapping files, giving experienced users precise control instead of forcing an all-or-nothing activation decision. The CLI supports scripting and JSON output, so repeatable setup and external automation are realistic uses rather than afterthoughts. An included MCP server exposes engine functions as tools for agents, a notable fit for technically managed workflows. Modrix also states that it has zero telemetry. Lua game plugins are sandboxed, with file changes mediated by the core engine, which limits what a plugin can alter directly. Pricing Modrix has one plan: Free at free . It is an open-source mod manager, so there is no paid tier, seat charge, subscription renewal, or trial decision to manage. That makes it suitable for individual players and communities that want the full manager without a recurring budget. The trade-off is that there is no paid support or premium service tier described, and the project remains in pre-release releases. Platforms Modrix is offered as an extension and supports Linux, macOS, and Windows, with multi-platform game support. Steam and Proton receive first-class attention on Linux: Modrix usually detects Steam-installed games and offers a one-click add-and-switch action. That is a strong fit for Linux libraries where game locations and compatibility layers can otherwise complicate setup. macOS is the clear installation compromise. There is no prebuilt binary, so macOS users must install from source. Linux and macOS also do not update automatically in the app, adding maintenance work compared with a platform that handles in-app updates. Who it's for Choose Modrix if you manage mods across multiple supported games, want GUI and terminal access to the same configuration, or need reversible deployments and file-level conflict decisions. Linux players using Steam and Proton get the most purpose-built workflow, while script authors can use CLI JSON output and the MCP server. It is less suitable for someone who wants a finished, hands-off product, especially on macOS, or who depends on a stable release channel. The releases page currently shows versions 0.1.0-beta.1 through 0.1.0-beta.3, all marked pre-release. Pros and cons Pros: One shared engine serves GUI, TUI, and CLI users, so switching interfaces does not mean switching mod stores. Pros: Hardlinks, backups, change journaling, and reversal reduce the damage from failed or unwanted deployments. Pros: Conflict rules and per-file overrides give precise control over overlapping mods. Pros: Zero telemetry and sandboxed Lua plugins make the privacy and plugin boundaries unusually clear. Cons: macOS has no prebuilt binary and requires source installation. Cons: Linux and macOS lack in-app automatic updates, increasing upkeep. Cons: Every listed release is pre-release, so users prioritizing maturity should be cautious. Alternatives Browse Mod managers for a wider field. Pick Vortex instead if you want a free Windows-focused manager associated with Nexus Mods and released under the GNU General Public License. CurseForge suits players seeking a web catalog for free Minecraft mods and modpacks, with an optional paid ad-free tier and instant downloads. Modrinth is the better fit for a web-connected, multi-platform Minecraft service with a free tier, free trial, and Modrinth+ subscription. Choose G3M , Irony Mod Manager , RimModManager , or CKAN when their respective free desktop tools match your game ecosystem. FlairX Mod Manager is a free, open-source Windows-only option. Verdict Modrix is a strong choice for technically inclined players who want one open-source engine, dependable rollback safeguards, and detailed conflict control across a broad game library. Linux Steam and Proton users have the clearest reason to choose it. Look elsewhere if pre-release software, source installation on macOS, or manual updating would outweigh those controls.