Kivixa

Kivixa

Pronounced: kee-VEE-ha (/kiˈviːhɑː/)

A privacy-first cross-platform productivity workspace for notes, sketching, planning, and local AI assistance.

[](https://flutter.dev) [](https://dart.dev) [](LICENSE.md) [](CHANGELOG.md)

Install on Windows with winget (recommended):

winget install Kivixa

[](https://github.com/990aa/kivixa/releases/download/v0.9.0%2B90000/Kivixa-Setup-0.9.0.exe)

[](https://github.com/990aa/kivixa/releases/download/v0.9.0%2B90000/Kivixa-Android-0.9.0-arm64.apk) [](https://github.com/990aa/kivixa/releases/download/v0.9.0%2B90000/Kivixa-Android-0.9.0-armv7.apk) [](https://github.com/990aa/kivixa/releases/download/v0.9.0%2B90000/Kivixa-Android-0.9.0-x86_64.apk)

F-Droid Repository (step-by-step):

1. Install F-Droid from https://f-droid.org/.
2. Open the F-Droid app.
3. Go to Settings.
4. Tap Repositories.
5. Tap the + icon at the bottom.
6. Choose one method:

• Scan QR code and scan the QR code below.
• Enter repository URL manually and enter: https://990aa.github.io/kivixa/repo/

[](https://990aa.github.io/kivixa/repo/)

F-Droid repository QR code

---

Features

On-Device AI

Kivixa features a powerful on-device AI engine with multi-model support and Model Context Protocol (MCP) for intelligent, action-capable AI assistance without requiring an internet connection.

• Multi-Model Support
• Phi-4 Mini - Default model for reasoning, conversation, and general assistance
• Phi-4 Mini Reasoning - Reasoning-tuned Phi model for math-heavy and logic-heavy tasks
• Qwen 2.5 3B - Specialized for writing, notes, and code generation
• Llama 3.2 3B Instruct - Balanced compact model for MCP workflows, drafting, and general use
• Qwen2.5 1.5B Instruct - Lightweight model for MCP actions and low-memory assistant workflows
• Qwen3.5 4B Distilled - Claude 4.6 Opus reasoning-distilled 4B variant (Qwopus v3 GGUF source) for strongest Qwen quality
• Qwen3.5 2B Distilled - Balanced speed and quality for daily work
• Qwen3.5 0.8B Distilled - Fast lightweight option for low-memory devices
• DeepSeek R1 Distill Qwen 1.5B - Compact reasoning model with strong math/code behavior
• SmolLM2 1.7B Instruct - Fast compact instruct model for writing and lightweight coding
• SmolLM3 3B - Newer compact SmolLM generation with stronger general assistant quality
• SmolVLM2 500M Video Instruct - Compact vision-language model for image-aware prompting (GGUF + mmproj)
• Function Gemma 270M - Ultra-fast, optimized for MCP tool calling (~180MB)
• Gemma 2B - Google's efficient compact general-purpose model
• Gemma 3 4B IT - Newer Gemma-family model with stronger balanced output quality
• Gemma 4 E2B IT - Stronger Gemma-family instruct model for high-quality general, writing, and coding output
• TranslateGemma 4B IT - Fast multilingual translation and rewriting model for notes
• Seamless model switching for optimal performance

• Model Context Protocol (MCP)
• AI-Powered Tool Execution - Let AI perform actions on your behalf
• File Operations - Read, write, delete files; create folders
• Directory Listing - Browse and explore your notes folder
• Markdown Export - Export AI responses as formatted documents
• Lua Scripting Integration - Execute calendar and timer scripts
• Safety First - All tool executions require user confirmation
• Sandboxed Operations - File access restricted to notes folder

• Smart Model Manager
• Automatic download with resume support for AI models
• Background downloading - continues even when app is minimized
• Bundled asset downloads for multimodal models (model + mmproj companion files)
• Progress tracking with speed and ETA display
• GPU acceleration via Vulkan (Android/Windows/Linux) and Metal (macOS)

• AI-Powered Features
• Semantic Search - Find notes by meaning, not just keywords
• Auto-Categorization - Automatic topic extraction for organization
• Smart Summaries - Generate concise summaries of long notes
• Question Answering - Ask questions about your note content
• Title Suggestions - AI-generated title recommendations
• MCP Chat Mode - Toggle tool-enabled AI for file operations
• Prompt History Navigation - Use Up/Down arrows in AI and MCP composers to cycle through your previous prompts (main chat and floating assistant)
• Attachment-Aware Composer - Add multiple attachments with the + button, preview them above the composer, and remove any attachment before sending
• Attachment-Aware Responses - On-device models receive attachment context (text extraction + binary metadata) for grounded responses
• Markdown-Aware Chat Rendering - AI and MCP messages render markdown in chat while preserving raw markdown for model input
• Per-Response Model Metadata Export - Exported chat JSON includes the model name/id that produced each assistant reply

• Knowledge Graph Visualization
• Interactive Mind Mapping - Create visual knowledge networks
• Pan and zoom navigation with touch/mouse gestures
• Drag nodes to reposition them on the canvas
• Grid background toggle for precise alignment
• Multiple Node Types
• Hub nodes for central topics
• Note nodes that can link to your actual notes
• Idea nodes for brainstorming
• 6 shape options: Circle, Square, Diamond, Hexagon, Star, Rectangle
• 8 color options with visual customization
• Rich Node Content
• Add titles and descriptions to each node
• Link Note nodes to actual notes from your Browse section
• View and open linked notes directly from the graph
• Supports handwritten (.kvx), markdown (.md), and text files
• Flexible Link System
• Connect nodes with customizable links
• Add text labels to links (e.g., "relates to", "depends on")
• 3 line thickness options: Thin, Normal, Thick
• Arrow styles: None, Single Arrow, Double Arrow
• Custom link colors
• Manage links dialog to view/delete connections
• Navigation & Organization
• Recenter view to all nodes
• Focus on selected node
• Clear all nodes/links or load demo data
• Persistent storage - your graph is saved automatically

• Vector Database
• Local vector embeddings for all your notes
• Lightning-fast similarity search
• Automatic clustering of related content
• Persistent cache for instant startup

• Privacy-First AI
• Runs 100% on-device - no data leaves your device
• No internet required after initial model download
• No API keys or subscriptions needed
• Your notes stay private

• Audio Intelligence
• Speech-to-Text (STT) - Whisper-based offline transcription
• Multiple model sizes (Tiny to Large) for accuracy/speed tradeoffs
• Real-time streaming transcription with word-level timestamps
• Semantic audio indexing - search by spoken content
• Multi-language support with automatic detection
• Text-to-Speech (TTS) - Kokoro neural speech synthesis
• Natural-sounding voices (Male, Female, Custom)
• Adjustable rate and pitch controls
• Word boundary tracking for lip-sync
• High-quality 24kHz audio output
• Voice Activity Detection (VAD)
• Efficient speech/silence detection
• Automatic noise floor calibration
• Saves battery by only processing speech
• Neural Dictation Bar - Smart voice input accessory
• Text and Command dictation modes
• Live confidence indicator
• Seamless keyboard integration
• Auto-insert into text fields
• Voice Notes - Record and transcribe voice memos
• Interactive waveform visualization (bars, line, circular, orb)
• Karaoke-style transcript highlighting
• Search within transcript
• Speaker identification support
• Voice Search - Search notes by voice
• Press-and-hold or tap-to-toggle modes
• Real-time transcription preview
• Confidence-based result filtering
• AI Walkie-Talkie - Hands-free AI conversations
• Full-screen immersive interface
• Dual animated orbs (user/AI)
• Conversation history
• Push-to-talk or auto-listen modes
• Read Aloud - TTS accessibility features
• Mini player with playback controls
• Speed adjustment (0.5x - 2.0x)
• Sentence-by-sentence navigation
• Voice selection
• Floating action button integration
• Fully Offline - All audio processing runs locally

Notes & Documents

• Rich Markdown Editor - Create beautiful formatted documents with AppFlowy Editor
• Text formatting (bold, italic, underline, strikethrough)
• Block formatting (lists, checkboxes, quotes, code blocks)
• Hyperlink support
• Real-time autosave
• Floating Text Boxes - Add moveable, resizable text boxes anywhere on the canvas
• File Organization - Intuitive folder system with move, rename, and delete operations
• Multiple Formats - Support for .kvx (native), .md (markdown), .txt (text), and PDF files
• Text File Editor - Full-featured text editor with syntax highlighting
• Note Linking - Connect related notes together with bidirectional links

Media Embedding

• Image & Video Upload - Embed media directly into markdown and text files
• Upload from local storage or paste from web URLs
• Insert local absolute paths (``)
• Automatic file management with dedicated media storage
• Videos are fully playable within embedded player with volume control
• Interactive Media Controls
• Resize: Drag corner/edge handles to adjust dimensions
• Rotate: Rotate images with 15° snapping for precision
• Move Handle: 4-way arrow in center for precise repositioning
• Drag: Reposition media anywhere within the document
• Aspect Ratio Lock: Hold Shift while resizing to maintain proportions
• Keyboard Support: Escape to deselect, Shift for aspect lock
• Comment Annotations
• Add optional comments to any image or video
• Hover to reveal (Windows) or tap icon (Android)
• Edit and delete comments easily
• URL-encoded for special character support
• Web Image Modes (configurable in Settings)
• Download Locally: Cache images for offline access
• Fetch on Demand: Load from web each time (saves storage)
• Cache management with size display and clear option
• Large Image Preview
• Scrollable preview for images > 2000px
• Pan and zoom within a constrained container
• Minimap showing visible region
• Toggle between preview and full display modes
• Configurable preview container size (100-500px)
• Extended Markdown Syntax
• ``
• All transforms persist in standard markdown files
• Compatible with other markdown viewers (shows default)
• Performance Optimized
• LRU caching for loaded images
• Thumbnail generation for heavy media
• Lazy loading via visibility detection
• Isolated repaints with RepaintBoundary
• Auto-hide video controls during playback

Life Git (Version Control)

• Time Travel - Roll back any note to any previous version with an intuitive slider
• Auto-Snapshots - Automatic versioning when you stop typing (2-second debounce)
• Content-Addressable Storage - Git-like blob storage using SHA-256 hashing
• Commit History - Browse all changes with timestamps and commit messages
• Version Comparison - Preview any historical version before restoring
• Per-File History - Track changes for individual files
• Zero Configuration - Just write, Life Git handles versioning automatically

Scriptable Plugin System

• Lua Scripting - Automate tasks with Lua 5.3 scripts
• Built-in App API - Access your notes programmatically:
• App:createNote(path) - Create new notes
• App:readNote(path) - Read note content
• App:writeNote(path, content) - Write to notes
• App:getAllNotes() - List all notes
• App:findNotes(query) - Search notes
• App:getRecentNotes(count) - Get recent notes
• App:moveNote(from, to) - Move notes
• App:deleteNote(path) - Delete notes
• App:getStats() - Get workspace statistics
• Example Plugins Included - Archive tasks, daily summaries, move overdue items
• Plugin Manager - Enable/disable and run plugins from the UI
• Script Runner - Execute ad-hoc Lua code directly

Project Manager

• Project Dashboard - Organize your work into dedicated projects
• Task Management - Create and track tasks within projects
• Progress Tracking - Visual indicators for project completion status
• Project Categories - Organize projects with custom categories

Calendar & Events

• Interactive Calendar - View and manage events with day, week, and month views
• Event Management - Create, edit, and delete events with custom colors
• Recurring Events - Support for daily, weekly, monthly, and yearly recurrence
• Reminders - Get notified before important events
• Calendar Navigation - Easy navigation between dates with jump-to-date feature

Digital Canvas

• Advanced Drawing Tools
• Pen with pressure sensitivity
• Highlighter for emphasis
• Laser pointer for presentations
• Eraser with multiple modes
• Shape tools and selection
• Professional Canvas Features
• Infinite canvas with smooth pan & zoom
• Layer support for complex artwork
• Background customization (colors, patterns, images)
• Grid and snap-to-grid options
• Transform tools (rotate, scale, move)

PDF Integration

• Import and annotate PDF documents
• Export notes as PDFs
• Maintain annotations across devices
• High-quality rendering

Productivity

• Smart Autosave - Never lose your work with automatic saving
• Split Screen View - Open and edit two files simultaneously side-by-side
• Support for different file types (handwritten, markdown, text)
• Horizontal and vertical split modes
• Resizable panes with drag-to-adjust divider
• Swap panes functionality
• File Manager - Powerful organization with search and filtering
• Recent Files - Quick access to your latest work
• Cross-Platform Sync - Work seamlessly across devices
• Keyboard Shortcuts - Boost productivity with keybindings

Productivity Clock

A comprehensive productivity timer system with advanced features for focused work sessions.

• Core Timer Features
• Pomodoro Technique - Classic 25-minute focus sessions with breaks
• Multiple Timer Templates - Pomodoro (25/5), 52/17 Method, Ultradian (90/20)
• Custom Durations - Set any work/break duration you prefer
• Session Types - Focus, Short Break, Long Break, Flow, and Custom modes
• Progress Tracking - Visual circular progress indicator
• Floating Clock Widget - Always-visible timer overlay while working

• Context-Aware Timers
• Session Tags - Tag sessions with context (Coding, Reading, Writing, Meeting, Research, Design, Learning, Planning, Exercise)
• Filter Stats by Tag - Analyze productivity by activity type
• Custom Tags - Create your own context tags with custom colors and icons

• Quick-Switch Presets
• Code Preset - 90-minute deep work with 20-minute breaks
• Reading Preset - 45-minute reading with 10-minute breaks
• Deep Design Preset - 2-hour creative sessions with 25-minute breaks
• Sprint Preset - Quick 25-minute bursts with 5-minute breaks
• Meetings Preset - 30-minute time-boxed meetings with 5-minute prep

• Multi-Timer Orchestration
• Parallel Clocks - Run main focus timer with secondary reminders
• Built-in Presets - Tea timer, Commit reminder, Eye rest (20-20-20), Stretch, Water break, Standup, Posture check, Meeting alert
• Custom Timers - Create unlimited secondary countdown timers
• Independent Control - St

…

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: 990aa
• Source: 990aa/kivixa
• License: MIT
• Homepage: https://kivixa.vercel.app/

Install and usage instructions live in the source repository linked above.