Amplify your intelligence.

CoBrain is a smart knowledge management app that helps you capture, organize, and reuse everything you care about — links, tweets, code, and thoughts — all structured into brains, slices, and memos you can access anytime.

Build your second brain

Organize knowledge, your way

Store anything, structure it with slices and memos, and keep your knowledge private or share it effortlessly.

Store Anything
Save text notes, important links, tweets, documents, code snippets, and todo lists in one place.
Slices & Memos
Divide your brain into slices (categories) and use memos to neatly store and manage related information.
Share or Stay Private
Keep your brain private or share specific slices with anyone using a simple link.
Edit Anytime
Update, delete, or add new brains to a slice whenever your knowledge evolves.
Support

Frequent Questions

Everything you need to know about CoBrain. Can't find what you're looking for? Reach out to us.