Self-hosted personal productivity app for contact management, daily tasks, and focus time. With optional AI assistance and Google integration.
Available for Windows and Mac • Your data stays on your devices
CRM-style contact management for your professional network. Track relationships, interactions, and notes.
Organize your daily tasks with time tracking. Stay focused on what matters most.
Built-in Pomodoro timer to help you concentrate. Track your productive hours.
Self-hosted means your data never leaves your devices. No cloud, no tracking, no ads.
Optional AI-powered contact research. Bring your own API keys from OpenAI, Anthropic, or Google.
Optional sync with Google Contacts, Calendar, and Tasks. Configure your own OAuth credentials.
Free and open for personal use
Windows 10 or later
Download .exev2026.01.07 • ~150 MB
macOS 11 or later
Coming SoonIn development
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Installation and first-run setup guide
SQLite, PostgreSQL, and cloud hosting
Set up contacts, calendar, and tasks sync
Configure AI providers for research
Host BlackBook on your Synology
Secure remote access setup