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About

MythOS is a shared memory system between you and every AI you use, built to help people stop re-explaining themselves across models, agents, and channels. It is designed for people who write to think, giving them a modular thinking system for structured notes, memos, contextual maps, and AI-powered workflows. Users can capture what they read, connect what they think, and publish what matters while keeping their library one click away from every AI. MythOS works as a personal knowledge operating system where memory, notes, ideas, resources, and context can be organized into structured documents that stay useful over time. Its approach treats knowledge as a process, not a one-time activity, so living documents can remain in progress, evolve, and connect with related people, projects, topics, and ideas. It supports contextual maps, public memos, private knowledge, AI-ready memory, exportable data, and workflows that help users build a durable layer of context.

About

Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. The human brain is non-linear: we jump from idea to idea, all the time. Your second brain should work the same. In Obsidian, making and following "connections" is frictionless. Tend to your notes like a gardener; at the end of the day, sit back and marvel at your own knowledge graph. Note-taking is incredibly personal. Tried every app, but there's always something not quite right? You deserve better. Obsidian is built to be extensible. With 22 core plugins and 149 community plugins, set up your own toolkit and get running in minutes. You'll even be able to install third party plugins or build your own once Obsidian reaches v1.0. Sky's the limit. In our age when cloud services can shut down, get bought, or change privacy policy any day, the last thing you want is proprietary formats and data lock-in. With Obsidian, your data sits in a local folder.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Writers, researchers, founders, and AI power users who need a portable memory system to organize thinking, connect knowledge, and share context across every AI they use

Audience

Anyone who needs a powerful knowledge base a powerful knowledge base to work with a local folder of plain text markdown files

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$10 per month
Free Version
Free Trial

Pricing

$25 one-time payment
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 4.3 / 5
ease 4.7 / 5
features 4.7 / 5
design 4.0 / 5
support 4.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

MythOS
United States
mythos.one/

Company Information

Obsidian
obsidian.md/

Alternatives

claude-mem

claude-mem

cmem.ai

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SpinOne

Spin.AI
CMEM Cloud

CMEM Cloud

cmem.ai
Notion

Notion

Notion Labs
Engram

Engram

Weaviate
myNeutron

myNeutron

Vanar Chain

Categories

Categories

Integrations

Claude Code
Amurex
Arcade
Atomic Bot
ChatGPT
Claude
Dropbox
Epiphany
Filamental
GitHub
Hyprnote
Markdown
Model Context Protocol (MCP)
Photes
Pieces
Podwise
Readwise Reader
TypeScript
Unkover
nao

Integrations

Claude Code
Amurex
Arcade
Atomic Bot
ChatGPT
Claude
Dropbox
Epiphany
Filamental
GitHub
Hyprnote
Markdown
Model Context Protocol (MCP)
Photes
Pieces
Podwise
Readwise Reader
TypeScript
Unkover
nao
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