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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.

About

OpenViking is an open source context database designed specifically for AI agents, built around a file-system paradigm that unifies the management of memories, resources, and skills. Instead of treating context as scattered chunks in a fragmented vector store, OpenViking organizes agent context into a virtual file system under the viking protocol, giving agents a structured way to store, navigate, retrieve, and observe the information they need. It is designed to help developers move beyond the hassle of manual context management by giving agents a minimalist interaction model for context, similar to reading and writing files. OpenViking supports hierarchical context loading, semantic retrieval, recursive retrieval, sessions, metrics, and observability, making it possible for AI agents to access the right level of information without stuffing everything into the prompt.

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

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

Audience

AI agent developers and infrastructure teams who need an open-source context database to organize memory, resources, skills, and retrieval flows through a structured file-system model

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

$25 one-time payment
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

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

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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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Obsidian
obsidian.md/

Company Information

OpenViking
Founded: 2026
United States
openviking.ai/

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Categories

Categories

Integrations

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Integrations

Claude Code
OpenClaw
Aider
Arcade
Claude
Claude Desktop
Codex CLI
Dropbox
Excalidraw
Filamental
Friendware
Google Antigravity
Inbox AI
Kanwas
Msty
OpenAI Codex
Stallari
Superlist
TypeScript
Unkover
Claim Obsidian and update features and information
Claim Obsidian and update features and information
Claim OpenViking and update features and information
Claim OpenViking and update features and information