Cobalt is an intuitive UI framework for Luau, made as an simpler alternative to Fusion.

Who is this for?

The Cobalt framework is meant for people starting out and existing users of other frameworks who want a simpler syntax.

Cobalt is very easy to change to your needs, with it being only a couple hundred lines long, while maintaining core features of more complex frameworks.

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Getting Started

Cobalt can be installed using one of the package managers below.

Wally

You can additonally just get it from roblox directly.

Roblox

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Using it in your code

Put the file into your codebase’s utility folder, require it, and your set!

You can use this code below to generate a simple TextLabel to say "Hello World!" in Roblox.

    local cobalt = require("@game/path/to/cobalt")
    local player = game.Players.LocalPlayer

    cobalt:new("ScreenGui", {           -- Generates a new ScreenGui container
        cobalt:new("TextLabel", {       -- Creates a TextLabel inside of it
            Text = "Hello World!",      -- Sets the text inside the GuiObject
            Size = UDim2.new(1,0,1,0),  -- Makes the GuiObject cover the screen
        }),
    }):render(player.PlayerGui)         -- Renders it inside the player's PlayerGui