Plot Digitizer
g3data
DataThief III
DigitizeIt
im2graph
Silkscientific UN-SCAN-IT
GraphClick
WebPlotDigitizer - Web based tool to extract numerical data from plots, images and maps.

Which is more popular?
Based on our record, Obsidian seems to be more popular. It has been mentioned 1527 times since March 2021.
Website, pricing, platforms and company facts side by side.
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WebPlotDigitizer
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| Website | automeris.io | obsidian.md |
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| 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
WebPlotDigitizer is recommended for researchers, scientists, data analysts, and students who frequently need to extract data from published graphs and charts. It is particularly useful in fields such as biology, engineering, physics, and any other areas where visual data needs to be quantitatively analyzed.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
🔴 Webplotdigitizer Tutorial - A Plot Digitizer to Digitize Graphs
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OBSIDIAN: Getting Started, Facts & Pricing
How often each product is chosen within a category, 0–100% relative to the other.

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

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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...
Recommendations tracked on public social media and blogs since March 2021.

Tracking WebPlotDigitizer since Mar 2021.
This is a decision page. Claude Code wrote it after reading a project's notes, and it shows the detail a chat question leaves out. I answer it in Obsidian. - Source: dev.to / 4 days ago
For note-taking, I recommend Obsidian. It's lightweight, has a large community, and offers plenty of useful plugins. I use the Timekeep plugin myself, which helps me connect tasks with the time spent on them. - Source: dev.to / 11 days ago
The setup that makes the output noticeably sharper is a memory layer. Connecting a plain-text notes app like Obsidian (free for personal use) gives the agent durable context: what your project is about, who it is for, and what you have... - Source: dev.to / about 2 months ago
When comparing WebPlotDigitizer and Obsidian, you can also consider the following products.

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g3data is used for extracting data from graphs.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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DataThief III is a program to extract (reverse engineer) data points from a graph.
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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.
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