cule://welcome
A browser you can shape with words.
What is Cule
Cule is a browser you shape yourself. Build exactly what you want, then switch between setups like switching apps. No digging through settings menus someone else designed.
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How it works
Cule is made for tinkerers, builders, and anyone who likes things their way. Don't know how to vibe code? No worries. Cule ships with templates, and you can load anyone else's. Here is an explanation for the builders.
cule://workspaceWorkspace
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Connect an agent
✻ Welcome to Claude Code
cwd: ~/Documents/Cule-workspace/
> build me a calm new tab
Every template is a browser
Switch between completely different setups like switching between apps. One template can change everything: the UI, the tabs, how pages behave.
Flip through your open tabs like album covers - a visual, tactile tab switcher that floats over the page.
View CarouselImportant to Alpha
Cule is early and built by one person. Some things are rough, some are missing (no Chrome extensions, no mobile sync yet). Templates run code, so only load ones from people you trust. Security has been taken seriously, but Cule is young software and can't promise guarantees. We'd rather tell you that now than have you find out later.
Found a bug, got an idea, or want to share a template? Join the Discord.
Join DiscordFree alpha. Available for Mac and Windows.
Make the browser you actually want.
Download Cule (Alpha)Cule is currently in Alpha