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Free & Open Source Fabric 26.2 · Also on 1.21.11 · Free Forever

Marlow Client

The Crystal PvP Utility Client Built for 2026

Incredibly overpowered. AutoCrystal with dual modes, TriggerBot with virtual bypass, CrystalOptimizer for instant breaking, and 20+ modules — all free, all open source. Dominate every crystal fight.

Download for Fabric 26.2 Try the GUI
20+
Modules
9
Combat Mods
Free
Forever
Crystal PvP Gameplay
Dual-Mode AutoCrystal
Attack mode for raw crystal spam, CW mode for precise crosshair-based placement and breaking. Configurable delays, StopOnKill, and simultaneous break+place on dig packets.
CrystalOptimizer
Client-side crystal death prediction removes crystals instantly after attacking. Two engines — Marlow (packet-level) and Client (event-level). Makes every break feel zero-latency.
TriggerBot
Auto-attacks when your crosshair is on a player. Virtual mode for legit gameplay, Direct mode for blatant packet-based attacks. Configurable hitbox range and cooldown.
Smart Auto-Swap
SwapShield on incoming damage, SwapCrystal and SwapObsidian for instant offensive switching. AutoTotem keeps you alive with TotemInvRestock for continuous supply.
VapeLite ClickGUI
Familiar VapeLite-style interface with category tabs, module toggles, draggable HUD elements, and dark/light theme switching via the #theme command.
Free & Open Source
Every line of code is publicly available. No subscriptions, no hidden fees, no obfuscation. Scan it, build it, verify it — complete transparency.
Interactive Preview

VapeLite-Style ClickGUI

Clean, intuitive module management. Toggle modules on and off, configure settings, and switch between categories — all in a familiar interface. Press Right Shift in-game to open.

Click on modules to toggle them. Click the category tabs to switch views. This is a live recreation of the in-game ClickGUI.

Marlow Client
v0.4
All Modules

Every Module in Marlow Client

20+ modules across Combat, Movement, Render, and Utility categories. Every feature designed for Crystal PvP dominance.

Quick Start

Install Marlow Client in 3 Steps

Up and running in under two minutes. No accounts, no subscriptions, no BS.

01

Install Fabric Loader

Download and run the Fabric installer for Minecraft 26.2 (or 1.21.11 for the classic build). Select the version and click Install.

.minecraft/versions/fabric-loader-26.2
02

Drop the JAR

Download Marlow Client from the button below and place the .jar file into your mods folder.

.minecraft/mods/MarlowClient-1.21.11-v3.6.1.jar
03

Launch & Dominate

Launch Minecraft with the Fabric 26.2 profile (or 1.21.11 for the classic build). Press Right Shift to open the ClickGUI and configure your modules.

Keybind: Right Shift

Download Marlow Client 26.2 for Fabric

Latest Release — Fabric 26.2. The Marlow Client 26.2 Fabric build carries the whole module set over to Minecraft 26.2: rebuilt mappings, updated packet handling for AutoCrystal and CrystalOptimizer, and the same ClickGUI and config files as before. Install it exactly like the classic build.

Download for Fabric 26.2
Version: 26.2
Loader: Fabric 26.2
Price: Free
License: Open Source

Download Marlow Client

Classic — Fabric 1.21.11. Free, open source, and still fully supported. Grab the classic build for Fabric 1.21.11 and start winning every crystal fight.

Download MarlowClient-1.21.11-v3.6.1.jar
Version: 0.4
Loader: Fabric 1.21.11
Price: Free
License: Open Source
FAQ

Frequently Asked Questions

Everything you need to know about Marlow Client.

Is Marlow Client free?
Yes. Marlow Client is completely free and open source. There are no subscriptions, no hidden fees, and no paywalled features. Every module is available to everyone.
What Minecraft version does Marlow Client support?
Marlow Client 26.2 for Fabric is the current build, and the classic Fabric 1.21.11 build is still supported. Install Fabric Loader for your version, drop the JAR in your mods folder, and launch. Both builds are on the downloads page.
How do I open the ClickGUI?
Press Right Shift in-game to open the VapeLite-style ClickGUI. From there you can toggle modules, adjust settings, and configure keybinds. Use the #theme command in chat to switch between dark and light themes.
Is Marlow Client safe to download?
Marlow Client is open source — you can inspect every line of code. The source is publicly available for anyone to audit. Always scan any downloaded file with your antivirus software for peace of mind.
What is CrystalOptimizer?
CrystalOptimizer removes end crystals from your client instantly after you attack them, without waiting for the server confirmation. This makes crystal breaking feel zero-latency — critical for high-ping PvP. Two engines are available: Marlow (packet-level) and Client (event-level).
What is the difference between Virtual and Direct TriggerBot?
Virtual mode simulates mouse clicks — it mimics your mouse clicking for you, which is harder to detect. Direct mode sends attack packets directly to the server, bypassing the mouse entirely. Virtual is recommended for legit gameplay; Direct is more blatant but powerful.
Where can I download Marlow Client?
The official Marlow Client download is available exclusively right here at marlowclient.net. Get Marlow Client 26.2 for Fabric from the download section or the downloads page; the classic Fabric 1.21.11 build is listed right below it.