
Notion
Logseq
Joplin
Evernote
Roam Research
Bear
Typora
A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

Mem0
LedgerMind
Hacker Noon
Supermemory
Contextify
Klee
Vilix AI
Your AI picks up where it left off. One memory across Claude Code, Cursor, Windsurf, Codex CLI, Gemini CLI, and every MCP tool. Local, private, zero cloud. Memory with provenance.

Which is more popular?
Based on our record, Obsidian seems to be more popular. It has been mentioned 1533 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | obsidian.md | statelessagent.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of SAME (Stateless Agent Memory Engine) yet.
Walkthroughs and reviews on video.
OBSIDIAN: Getting Started, Facts & Pricing
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Obsidian and SAME (Stateless Agent Memory Engine). For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


One thing to note: Notion bills itself as an Evernote competitor for personal users. It can be—but it's too much for most people, and its offline functionality isn't the best. If you love the idea of Notion, go right...
This app is the kind of thing that, if you’re into it, will have you exploring its various ins, outs, and add-ons for days and weeks on end. Obsidian uses the Markdown format for its notes (which means they can be...
However, it's important to note that Obsidian's whiteboard functionality is not as robust as dedicated collaboration tools. While it lacks real-time basic collaboration features, Obsidian compensates with its vibrant...
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Recommendations tracked on public social media and blogs since March 2021.


After publishing my first plugin which really helped me dive into Obsidian, I realized that the tool I'm using for note taking is missing a very simple, but handy feature - templates for base-based notes. - Source: dev.to / about 17 hours ago
The reasons live somewhere else: in practice notes in an Obsidian vault, one note per convention, with the repos it has held in. A note starts as an idea, moves to trialing, and only becomes enforced once I've applied it again in a few... - Source: dev.to / 4 days ago
It's the team version of the second brain you build with Obsidian and Claude. - Source: dev.to / 9 days ago
Tracking SAME (Stateless Agent Memory Engine) since Aug 2026.
When comparing Obsidian and SAME (Stateless Agent Memory Engine), you can also consider the following products.

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
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Your private, local memory layer for all AI tools
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Compare Logseq to Obsidian or SAME (Stateless Agent Memory Engine):

LedgerMind — an autonomous living memory for AI agents. It self-heals, resolves conflicts, distills experience into rules, and evolves without human intervention. SQLite + Git + reasoning layer. P...
Compare LedgerMind to Obsidian or SAME (Stateless Agent Memory Engine):

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Compare Joplin to Obsidian or SAME (Stateless Agent Memory Engine):

How hackers start their afternoons.
Compare Hacker Noon to Obsidian or SAME (Stateless Agent Memory Engine):