
MySQL
MarkLogic Server
Valentina Server
Firestore
Datahike
Matisse
MongoDB
The fully transactional, cloud-ready, distributed database

Logseq
Obsidian
Zim Wiki
Nuclino
Trilium Notes
TiddlyWiki
Roam Research
Personal knowledge management and sharing on VSCode & GitHub

Which is more popular?
Based on our record, Foam seems to be more popular. It has been mentioned 49 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | datomic.com | foambubble.github.io |
| 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.


No analysis of Datomic yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
KotlinConf 2018 - Datomic: The Most Innovative DB You've Never Heard Of by August Lilleaas
More videos
These panels DESTROYED my STUDIO....REVERB? - ArrowZoom Foam Review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Datomic and Foam. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Datomic since Mar 2021.
Choose a local Markdown tool like Obsidian, Logseq, Foam, or Tolaria to store all your knowledge as plain .md files you own and control. - Source: dev.to / 6 months ago
I've been using foam instead of obsidian for my personal knowledge base. It works rather well. And it's completely free and ultimately just markdown. While I might wish it was djot, I don't wish hard enough to make that so myself... - Source: Hacker News / about 2 years ago
I gave up on Obsidian and just use Foam (https://foambubble.github.io/foam/) and/or vimwiki. I just can’t get into overwrought, arbitrarily designed organization schemes or proprietary apps (Foam-managed content is just plain Markdown,... - Source: Hacker News / over 2 years ago
When comparing Datomic and Foam, you can also consider the following products.


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

MarkLogic Server is a multi-model database that has both NoSQL and trusted enterprise data management capabilities.
Compare MarkLogic Server to Datomic or Foam:

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.
Compare Obsidian to Datomic or Foam:

Valentina Server is 3 in 1: Valentina DB Server / SQLite Server / Report Server
Compare Valentina Server to Datomic or Foam:

Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
Compare Zim Wiki to Datomic or Foam: