AppFlowy: Open-Source Notion Alternative in Rust

What Is AppFlowy?

AppFlowy is an open-source workspace — notes, wikis, databases, kanban boards, and calendars. Like Notion, but you own the data. Built with Rust (backend) and Flutter (frontend). 60K+ GitHub stars.

AppFlowy vs Notion

Feature	AppFlowy	Notion
Open source	✅ (AGPL)	❌
Self-hosted	✅	❌
Offline-first	✅ Native	⚠️ Limited
Performance	⚡ Rust backend	🐌 Electron
Data ownership	✅ Full	❌ Notion’s servers
AI features	✅ (BYO key)	✅ ($10/mo extra)
Databases	✅	✅
Templates	Growing	Extensive
Mobile apps	✅	✅
Price	Free	$10/user/mo

Why Rust + Flutter?

Rust backend — memory safety, zero-cost abstractions, incredible performance
Flutter frontend — single codebase for desktop (macOS, Windows, Linux), mobile (iOS, Android), and web
Offline-first — works without internet, syncs when connected
CRDT sync — conflict-free real-time collaboration

Self-Host with Docker

version: "3.9"
services:
  appflowy-cloud:
    image: appflowyinc/appflowy-cloud:latest
    ports:
      - "8025:8025"
    environment:
      - RUST_LOG=info
      - APPFLOWY_CLOUD__DATABASE__URL=postgres://appflowy:password@db:5432/appflowy
      - APPFLOWY_CLOUD__REDIS__URL=redis://redis:6379
      - APPFLOWY_CLOUD__S3__BUCKET=appflowy
      - APPFLOWY_CLOUD__GOTRUE__SECRET=your-jwt-secret
    depends_on:
      - db
      - redis

  gotrue:
    image: supabase/gotrue:v2.151.0
    environment:
      - GOTRUE_DB_DRIVER=postgres
      - GOTRUE_DB_DATABASE_URL=postgres://appflowy:password@db:5432/appflowy

  db:
    image: postgres:16-alpine
    environment:
      - POSTGRES_USER=appflowy
      - POSTGRES_PASSWORD=password
      - POSTGRES_DB=appflowy

  redis:
    image: redis:7-alpine

  minio:
    image: minio/minio
    command: server /data

Key Features

Databases (Like Notion)

Grid view, Kanban board, Calendar, Gallery
Filters, sorts, grouping
Formulas, relations, rollups
Import from Notion, CSV

AI Integration (BYO Key)

Summarize pages
Translate content
Generate text from prompts
Uses your own OpenAI/Anthropic API key (no markup)

Document Editor

Slash commands, markdown shortcuts
Code blocks with syntax highlighting
Embeds (images, files, bookmarks)
Nested pages, toggles, callouts

Use Cases

Scenario	Why AppFlowy
Team wiki (regulated industry)	Data stays on-premises
Personal knowledge base	Free, offline, fast
Project management	Kanban + calendar + docs
Technical documentation	Markdown + code blocks
Startup (budget-conscious)	$0 vs Notion’s per-seat pricing

Comparison: Open-Source Workspaces

Tool	Stack	Strengths	Weakness
AppFlowy	Rust + Flutter	Performance, mobile	Newer, fewer templates
Outline	Node.js + React	Mature wiki	No databases
AFFiNE	Rust + TypeScript	Whiteboard + docs	Early stage
BookStack	PHP + Laravel	Simple wiki	No databases