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.

Fellow.app
Mem
Notion
Evernote
Obsidian
Range
Notivo is a private, per-person notebook for managers. Capture feedback, commitments, and 1:1 context as it happens — from web, iOS, WhatsApp, email, ChatGPT, or Claude — then get it back later, organized by person.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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WPD
WebPlotDigitizer
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|---|---|---|
| Website | automeris.io | notivo.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of WebPlotDigitizer yet.
Managers forget the quiet quarter, not the loud week. Feedback, commitments, wins, and concerns about the people you lead happen in passing — in a 1:1, an email, a WhatsApp message, or a chat with ChatGPT or Claude — and by review season they've faded into a vague impression. Notivo is a private,...
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
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.
No analysis of Notivo yet.
Walkthroughs and reviews on video.
🔴 Webplotdigitizer Tutorial - A Plot Digitizer to Digitize Graphs
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing WebPlotDigitizer and Notivo.
Notivo's answer:
Notivo is private to the one manager who writes in it — not a shared team tool or HR platform. It captures observations (feedback, commitments, wins, concerns) the moment they happen, tagged by person, and can save a note straight from a ChatGPT or Claude conversation. On the Pro plan, it reads those notes back as an AI-drafted recap, built only from what the manager actually wrote.
Notivo's answer:
Generic notes apps weren't built around people — Notivo organizes everything by person from the first note. It captures directly from the web, iOS, WhatsApp, email, ChatGPT, or Claude, so context doesn't need to be copied over manually. And unlike shared 1:1 or performance tools, it stays fully private to the manager who writes in it.
Notivo's answer:
Engineering managers, team leads, and people managers at companies of any size who run recurring 1:1s, write performance reviews, or simply need to remember what their team did over months, not just the last few weeks.
Notivo's answer:
Notivo started from a simple observation: the moments that shape how someone grows happen quietly, in passing, and are usually gone by review season. Rather than build another dashboard, the team built a private notebook that captures what a manager personally noticed, organized by person, so their own judgment has a memory to draw on.
Share your experience with using WebPlotDigitizer and Notivo. For example, how are they different and which one is better?
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