Last Updated on April 13, 2026
Lotti is a personal assistant that helps you capture, organize, and understand your work and life through AI-enhanced task management, audio recordings, and intelligent summaries—all while keeping your data entirely under your control.
Most AI-powered tools require you to upload and store your personal data on their servers, creating privacy risks and vendor lock-in. Lotti takes a different approach:
- Complete data ownership: Your information stays on your devices. When you opt into cloud inference, European‑hosted, no‑retention providers are available
- Configurable AI providers per category: Choose between OpenAI, Anthropic, Gemini, Ollama (local), or any OpenAI-compatible provider on a per-category basis
- Privacy-first design: You control exactly what data gets shared with AI providers—only for specific inference calls via your API keys
- No vendor lock-in: Your data remains portable and accessible, independent of any subscription
This is free and open source software.
Key Features
- AI-Powered Intelligence:
- Smart Summaries: Automatically generate summaries of tasks, capturing key points and progress.
- Audio Transcription: Transcribe recordings using either local Whisper (OpenAI’s open weights model, 99 languages supported) or cloud providers with audio capabilities like Gemini Flash/Pro.
- Context Recap: Resume a task with a one‑screen recap of your latest notes, time, and progress.
- Intelligent Checklists: Transform rambling audio notes into actionable checklists.
- Chat with Your Data: Ask questions about your tasks, learnings, and achievements across any time period.
- Comprehensive Tracking:
- Tasks: Full lifecycle management (open, groomed, in progress, blocked, done, rejected).
- Audio Recording: Capture thoughts, progress notes, and brain dumps.
- Time Tracking: Record time spent on tasks and projects.
- Journal Entries: Written reflections and documentation.
- Habits: Define and monitor daily habits and routines.
- Health Data: Import from Apple Health and other sources.
- Custom Metrics: Track anything that matters to you.
- Privacy & Control:
- Local-Only Storage: All data is permanently stored only on your devices and never in the cloud.
- Encrypted Sync: End-to-end encrypted synchronization between your devices (desktop/laptop and mobile) using Matrix (requires a Matrix account — self-hosted or public homeserver).
- Selective AI Usage: Configure AI providers per category—keep sensitive data completely local with Ollama but use state‑of‑the‑art (frontier) cloud models when appropriate.
- Your API Keys: When you choose cloud AI, data is shared only for that specific inference call. Please review the respective provider’s terms and privacy policy to understand how they handle your data.
- GDPR-Compliant Options: European-hosted AI providers with no data retention policies available for enhanced privacy.
- Built for on‑device: Designed for the era when local AI inference becomes standard.
Website: github.com/matthiasn/lotti
Support:
Developer: Matthias Nehlsen
License: GNU General Public License v3.0
Lotti is written in Dart. Learn Dart with our recommended free books and free tutorials.
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