
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.

Android
LineageOS
CalyxOS
GrapheneOS
Ubuntu Touch
Mobian
postmarketOS
/e/ is a fork of LineageOS that aims to be completely free of everything Google.

Which is more popular?
Based on our record, Obsidian seems to be a lot more popular than e.foundation /e/. While we know about 1532 links to Obsidian, we've tracked only 24 mentions of e.foundation /e/.
Website, pricing, platforms and company facts side by side.
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| Website | obsidian.md | e.foundation |
| 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
Overall verdict
Why this product is good
Recommended for
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 e.foundation /e/. 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...
/e/ OS is completely open-source and has been developed by the non-profit /e/ Foundation which is based in France. Currently, it supports more than 240 smartphone models which include popular Samsung phones and some...
/e/ is in active development and you can try to install it on a range of devices already. You can even buy refurbished devices preinstalled with /e/. That is one of the several ways of supporting the /e/ project.
Recommendations tracked on public social media and blogs since March 2021.


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 / 2 days ago
It's the team version of the second brain you build with Obsidian and Claude. - Source: dev.to / 7 days ago
The first time I downloaded Obsidian was about two years ago and I really liked the concept of storing everything locally in simple markdown files without unnecessary clutter. - Source: dev.to / 5 days ago
Yes and it has already been done: https://e.foundation/. - Source: Hacker News / about 1 year ago
You might also check out /e/OS - https://e.foundation/ It's less hardened than Graphene, but more user-friendly (IMHO) and similarly avoids Google spyware. - Source: Hacker News / almost 2 years ago
> ...like LineageOS. But installing it is so difficult that only 1% of people have the technical know how to even attempt it... Aside: there is also /e/OS (or MurenaOS - their naming is inconsistent). It is basically LineageOS that... - Source: Hacker News / over 2 years ago
When comparing Obsidian and e.foundation /e/, you can also consider the following products.

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Compare Notion to Obsidian or e.foundation /e/:

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to Obsidian or e.foundation /e/:

Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Compare Logseq to Obsidian or e.foundation /e/:

Operating system for smartphones and tablet computers, based on the Android
Compare LineageOS to Obsidian or e.foundation /e/:

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 e.foundation /e/:
Privacy-focused operating system for smartphones based on Android and microG
Compare CalyxOS to Obsidian or e.foundation /e/: