athens ☆

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Description:
Self-hosted knowledge graph

Type: Cask | Latest Version: 2.0.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Productivity

Tags: knowledge-graph pkm self-hosted note-taking open-source

Install: brew install --cask athens

About:
Athens is a self-hosted, open-source knowledge graph server designed for personal knowledge management. It provides a graph-based storage and querying system for your notes and data, enabling complex connections between ideas. The platform focuses on data ownership and offline-first capabilities, allowing users to host their own knowledge base.

Key Features:

Self-hosted architecture for complete data control
Graph-based data model for connecting ideas and notes
Open-source and extensible platform
Offline-first design for reliable access

Use Cases:

Personal knowledge management and second brain
Building a private wiki with linked concepts
Research and academic note-taking with graph visualization

Alternatives:

Obsidian – Obsidian is a popular desktop app with local markdown files, while Athens offers a self-hosted server solution
Logseq – Logseq is an open-source outliner that can be self-hosted, similar to Athens' philosophy
Roam Research – Roam is a proprietary SaaS solution, whereas Athens provides an open-source alternative

Version History

Detected	Version	Rev	Change	Commit
Aug 5, 2025 2:15pm	2.0.0	0	VERSION_BUMP	1186c55b