EchOS is an innovative personal AI knowledge system designed to enhance productivity through a seamless, self-hosted experience. Built for individual use and deployed on personal infrastructure, EchOS prioritizes privacy and control, ensuring that user data remains strictly confidential.

Key Features

• Capture Information without Friction: Easily save text, URLs, voice messages, and photos through your preferred interface—be it Telegram, the terminal, or a web browser. EchOS intelligently categorizes and tags entries to meet user needs efficiently.

• Intelligent Search Capabilities: Utilizing hybrid full-text and semantic search, EchOS understands your queries in natural language, delivering accurate responses rather than mere keyword matches.

• Writing Assistance in Your Unique Voice: Generate blog posts, social media threads, or emails with EchOS. It composes content using your notes as a foundation, crafting it in your personal style rather than generic output.

• Compatibility with Obsidian: Notes are stored in simple Markdown files, making them easily accessible and editable in Obsidian. Enjoy the benefits of live sync and bidirectional access to your knowledge base.

• Personalized Interaction: EchOS remembers your preferences for communication style, tailoring its responses to your specifications—a concise tone, warmth, or technical language adjustments are handled effortlessly.

Example Interaction

You:    Save this for me → [pastes article URL]
EchOS:  Saved. "How Rust handles memory safety" — tagged as rust, programming.
        I pulled the key points if you want a summary.

You:    What do I know about memory management?
EchOS:  Found 7 notes. The Rust piece you just saved, two older ones on GC pauses,
        a voice note from last Tuesday where you were ranting about malloc...

You:    Write a short post about it — my style, technical but readable
EchOS:  [drafts a post grounded in your actual notes, in your voice]

You:    Save it.
EchOS:  Done. You can open it in Obsidian whenever you want.

Why Choose Self-Hosting?

With EchOS, users retain complete ownership of their knowledge. All notes are stored locally, allowing for accessibility via plain Markdown files. There are no subscriptions, recurring fees, or third-party interference with personal thoughts. The system only communicates with configured AI APIs when explicitly requested.

Documentation and Support

Comprehensive documentation is available at docs.echos.sh, covering everything from architecture and security to deployment and troubleshooting.