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

Markitdown Online
MarkdowntoPDF.me
Markdown to PDF
MarkItDown
PDFtoMarkdown.ai
TokenPig
markdown to web
Convert PDF, Word, PowerPoint, Excel and more to clean Markdown
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 | foambubble.github.io | doc2markdown.com |
| Pricing | — | |
| Company | Startup from the United States | 1 - 9 employees · 2025 |
| Listed in |
What each product offers, as listed by its team.


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 Doc2Markdown. 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 Doc2Markdown since Apr 2025.
When comparing Foam and Doc2Markdown, 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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Markitdown Online - Convert DOCX, PDF, PPT to Markdown for Your AI
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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.
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Best free Markdown to PDF converter. Transform MD files into professional PDFs with automatic bookmarks, table of contents, pagination, and security settings. Supports GitHub Markdown syntax with academic, business, and technical document templates.
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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.
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Super simple way to get your markdown files to PDF
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