Otter Wiki

Self-Hosted

Lightweight, open-source wiki with Markdown support

Overview

Otter Wiki is a minimal, self-hosted wiki platform built for simplicity and efficiency. It supports Markdown editing, file attachments, and version history to track page changes. With built-in user authentication and role-based access control, it works for personal or small team documentation. Deploy via Docker for quick setup or run directly with Python—requires minimal system resources. Its responsive design ensures accessibility across devices, making it ideal for fast knowledge sharing without the bloat of larger wiki tools.

Self-Hosting Resources

Find Official Image on Docker Hub View Source & Docs

Below is a reference structure for docker-compose.yml. ⚠️ Do NOT run blindly. Replace placeholders with official values.

docker-compose.template.yml TEMPLATE


version: '3'
services:
  otter_wiki:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: otter-wiki
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

Markdown editing and preview
Page version history
File attachment support
User authentication & access control
Docker-friendly deployment

Frequently Asked Questions

? Is Otter Wiki hard to install?

Otter Wiki is easy to install—use Docker for a one-command setup, or run it directly with Python. Official docs provide clear steps for both methods, suitable for users with basic server knowledge.

? Is it a good alternative to Confluence?

It’s a great lightweight alternative for users avoiding Confluence’s subscription cost and bloat. It lacks complex enterprise features but excels at simple documentation and knowledge sharing.

? Is it completely free?

Yes! Otter Wiki is open-source under the MIT License, so it’s free to use, modify, and self-host without any fees or restrictions.

Top Alternatives

Confluence Search Google

Notion Compare

Microsoft SharePoint Search Google

Tool Info

Pricing Open Source

Category Wikis

Platform Self-Hosted

Pros

⊕ Lightweight (low CPU/memory usage)
⊕ Straightforward installation process
⊕ Privacy-focused (self-hosted data control)
⊕ Responsive mobile interface

Cons

⊖ Lacks advanced enterprise features (e.g., workflow automation)
⊖ Smaller community compared to popular wikis
⊖ No real-time collaborative editing