ChatPDF
ChatGPT
Perplexity.ai
Obsidian
Claude AI
Humata AI
elicit
AI-first notebook by Google, available in the U.S., blends large language models and user-chosen data. Apply for access to explore intelligent insights and enhance your note-taking experience.

DevDocs
Docusaurus
Hey Meta
OverAPI
Stack Overflow Documentation
Dash for macOS
RegExr
TL;DR for developer documentation

Which is more popular?
Based on our record, Devhints should be more popular than NotebookLM. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | notebook.google.com | devhints.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
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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.
Google made a new AI note app - NotebookLM review
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Recommendations tracked on public social media and blogs since March 2021.

Gemini Notebook only generates content based on your sources and will not hallucinate or provide false or unrelated information. I cannot overemphasize the importance of this platform while following through with this certification... - Source: dev.to / about 1 month ago
You just need a few summaries occasionally. Standing up Ollama, a model, and an extraction pipeline to summarize five PDFs is overkill. If privacy isn't the constraint, a free web tool does it in seconds — ChatPDF and NotebookLM if you... - Source: dev.to / 3 months ago
Last year I was heavily into Perplexity but for most of 2026 I've actually been using NotebookLM a lot more. Perplexity is still useful for just daily news, but when I want to research, when I want to summarise, when I want to learn...... - Source: dev.to / 4 months ago
Your quick-reference buddy! DevHints offers concise cheat sheets for everything. - Source: dev.to / over 1 year ago
DevHints: DevHints offers a vast collection of cheat sheets for various programming languages, tools, and technologies in a clean and accessible format. - Source: dev.to / over 2 years ago
DevHints is your cheat sheet and quick reference repository for various programming languages, frameworks, and tools. It's the perfect resource for quick syntax lookups without the need to dive deep into documentation. - Source: dev.to / almost 3 years ago
When comparing NotebookLM and Devhints, you can also consider the following products.

Chat with any PDF! Join millions of students, researchers and professionals to instantly answer questions and understand research with AI
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Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more
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ChatGPT is a powerful, open-source language model.
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Easy to maintain open source documentation websites
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Quickly check, improve and generate your website's meta tags
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