Brainstorm

Brainstorm is a local-first, AI-native desktop operating system for knowledge work, providing a sandboxed app environment where users install apps like Notes, Database, Files, and Graph, all working from a single vault of plain files on the user's own disk. It solves the problem of data ownership and AI governance by keeping all data local, with optional end-to-end encrypted sync, and an AI broker that lets users control exactly what AI can access. It targets developers, IT professionals, and data teams, as well as individual users and enterprises, offering a free tier and enterprise options. Its differentiating approach is the AI-native, local-first architecture with a permission system for apps and agents, contrasting with cloud-based tools that hold data on external servers.

Key features

• Sandboxed apps on a desktop
• Local-first data storage
• End-to-end encrypted sync
• AI broker with permission controls
• Notes, Database, Files, Graph apps
• CSV import and export
• Calendar with RRULE and CalDAV
• Journal with daily entries
• Tasks with dependencies and subtasks
• Agent with vault permissions