
Logseq
Obsidian
Zim Wiki
Nuclino
Trilium Notes
TiddlyWiki
Roam Research
Personal knowledge management and sharing on VSCode & GitHub
RapidAPI
FreeAPI.watch
GovAPI Atlas
API CRUX
APIsList
Postman
JSON Placeholder
Discover, compare, and integrate public APIs using real-time health monitoring, OpenAPI documentation, and live availability signals.

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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PAP
Public API
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| Website | foambubble.github.io | public-api.org |
| 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.
These panels DESTROYED my STUDIO....REVERB? - ArrowZoom Foam Review
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Foam and Public API. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 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
Tracking Public API since Jan 2026.
When comparing Foam and Public API, you can also consider the following products.

Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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API marketplace for finding and connecting to the world's top APIs.
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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 Foam or Public API:

Live status of free public APIs, updated every hour. Find reliable, no-credit-card APIs for weather, news, finance, geocoding, and cryptocurrency.
Compare FreeAPI.watch to Foam or Public API:

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 Foam or Public API:

Search the APIs and web services that national open data portals list, one country at a time: Korea, Japan, the US, France, Germany, the UK, Taiwan, Canada, Australia and Singapore. Lists are refreshed weekly.
Compare GovAPI Atlas to Foam or Public API: