Build your second brain
Take control of your knowledge, projects, and collaboration with privacy-first workspace that scales with your team.
Quick Capture
Capture new ideas, tasks, and bookmarks instantly.
Privacy by Design
Self-hosted architecture with end-to-end encryption. Your data stays on your servers, under your control.
Advanced Collaboration
Real-time collaboration with role-based access control. Work together seamlessly while maintaining security.
Open Source Freedom
Apache 2.0 licensed with transparent code. Customize, extend, and integrate without vendor lock-in.
Stay focused and organized
Powerful features to help you organize your knowledge and collaborate effectively with your team in a privacy-first environment.
Projects and Tasks
Effortlessly manage, track, and prioritize your tasks and projects with powerful organization tools.
Resources and Notes
Efficiently manage documents, notes, and connect them to relevant projects and workflows.
Goals Tracker
Set, track, and achieve your goals with comprehensive progress monitoring and milestone tracking.
Team Collaboration
Real-time collaboration with role-based access control and secure workspace sharing.
Privacy & Security
End-to-end encryption, self-hosted architecture, and complete data ownership for maximum security.
Open Source
Apache 2.0 licensed with transparent code, comprehensive APIs, and active community support.
What's Coming Next
Exciting AI-powered features in development to make BrainBox your ultimate learning and collaboration companion.
AI Learning Assistant
Your personal AI that helps you learn faster, understand complex topics, and connect knowledge across your documents.
Custom Themes
Personalize your workspace with custom themes, colors, and layouts that match your style and workflow.
Tool Integrations
Free integrations with Slack, Gmail, and other essential tools to streamline your workflow.
Built by @kritix
Solo developer passionate about minimal design and making the best software free. Part of the 3pe1x mission to make learning, developing, and documenting better for everyone.
🙏 Special thanks to the Colanode team for creating the amazing foundation that made BrainBox possible.
BrainBox is a fork of Colanode, improved with additional features, AI integration, and a focus on learning workflows.
"Making learning, developing, and documenting experiences better — one commit at a time."
Your Second Brain, Your Rules
Unlike cloud platforms that monetize your knowledge, BrainBox keeps your second brain truly private and under your control.
Self-Hosted
Deploy on your own servers or cloud infrastructure for complete data ownership and control.
End-to-End Encryption
All data encrypted in transit and at rest with industry-standard security protocols.
Open Source
Transparent code you can audit, modify, and customize without vendor lock-in.
Perfect for Everyone
Developers
Code docs, project notes, API references
Teams
Collaborative wikis, shared knowledge
Students
Study notes, research, assignments
Enterprises
Secure documentation, compliance
Why BrainBox vs Notion?
Deploy Anywhere, Own Everything
Free beta now available. Self-host with Docker/Kubernetes for complete control over your data.