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3xpyth0n

3xpyth0n/ideon

A self-hosted visual workspace where notes, Git repositories, links, files and tasks sit together on a shared infinite canvas.

Open-source alternative to:MiroNotion

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672
Forks
34
Open issues
11
Last commit
2 days ago

What is it?

Ideon replaces nested folders and tabs with a spatial canvas. Blocks can be placed anywhere, so items that sit close together are treated as related. A single map can show a project's Git repositories, design notes and tasks at once.

The canvas supports Markdown notes with rendered Mermaid diagrams, images, links and files. Repositories and issues from GitHub, GitLab, Gitea and Forgejo can be embedded as live blocks. Several people can edit the same workspace in real time, and historical snapshots let you trace how a project's thinking evolved.

Ideon runs as a Docker Compose stack with PostgreSQL, and a workspace can be synced to a Git repository so notes and structure are stored as versioned files. It is licensed under AGPL-3.0.

Key features

  • 01Infinite canvas where blocks are placed freely and proximity implies relation.
  • 02Embeds live repositories and issues from GitHub, GitLab, Gitea and Forgejo.
  • 03Markdown notes with rendered Mermaid diagrams, plus images, links and files.
  • 04Real-time multiplayer editing for team collaboration.
  • 05Historical snapshots for reviewing how a workspace changed over time.
  • 06Syncs canvas content to a Git repository as versioned files.

Use cases

  • Mapping the repositories, specs and open tasks of a software project on one page.
  • Brainstorming and visual planning with a small team in real time.
  • Keeping a self-hosted personal knowledge base that stays on your own server.
  • Recording design decisions with a traceable history of changes.

Quick start

  1. 1

    Clone the repository or download docker-compose.yml

  2. 2

    Copy the environment template to .env

    cp env.example .env
  3. 3

    Set SECRET_KEY in .env (generate with openssl rand -hex 32), then start the stack

    docker compose up -d

Things to know

  • Requires Docker and Docker Compose to run.
  • Licensed under AGPL-3.0, so modified public deployments must share their changes.

In collections

Self-hosted appsStatic site generators & documentation tools

Topics

#visual-workspace#whiteboard#knowledge-base#project-management#collaboration#self-hosted#docker#markdown#brainstorming#idea-management

FAQ

What is ideon?
A self-hosted visual workspace where notes, Git repositories, links, files and tasks sit together on a shared infinite canvas. Ideon replaces nested folders and tabs with a spatial canvas. Blocks can be placed anywhere, so items that sit close together are treated as related. A single map can show a project's Git repositories, design notes and tasks at once.
Is ideon free to use? What license does it have?
ideon is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is ideon still maintained?
Actively maintained. The last commit to ideon was on Nov 4, 2026.
What can I use ideon for?
Mapping the repositories, specs and open tasks of a software project on one page. Brainstorming and visual planning with a small team in real time. Keeping a self-hosted personal knowledge base that stays on your own server. Recording design decisions with a traceable history of changes.
How do I install ideon?
Clone the repository or download docker-compose.yml Copy the environment template to .env: cp env.example .env Set SECRET_KEY in .env (generate with openssl rand -hex 32), then start the stack: docker compose up -d
Where can I get ideon?
The source code and installation instructions are on GitHub: https://github.com/3xpyth0n/ideon

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