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About

Kortex is a browser extension that turns Google’s NotebookLM into an interconnected, dynamic knowledge base, helping users stop losing ideas by capturing and organizing valuable insights that would otherwise remain trapped in chat histories and scattered tabs. It lets you archive full AI conversations from services like ChatGPT, Gemini, Claude, and Perplexity with one click and save any highlighted text on a webpage as a perfectly cited source directly to NotebookLM. Kortex also offers effortless exporting of sources, chats, or curated notes into Markdown, JSON, or a downloadable .zip file, and integrates with Google Docs so you can send documents to NotebookLM with a single click. For notebook management, Kortex enables bulk deletion of multiple notebooks from the dashboard at once. Designed to help users find anything they’ve saved and never lose an insight again, Kortex installs in seconds and supports thousands of users building their own “second brain”.

About

Quiver is a notebook built for programmers. It lets you easily mix text, code, Markdown and LaTeX within one note, edit code with an awesome code editor, live preview Markdown and LaTeX, and find any note instantly via the full-text search. A note in Quiver is comprised of cells, snippets of text, code, Markdown, LaTeX (via MathJax) or diagrams (sequence diagram, flowchart). You can freely mix different cell types within one note. You can set different languages for different code cells, too. The programmer's notebook should make code editing effortless. Quiver packs the awesome ACE code editor in code cells, with syntax highlighting support for more than 120 languages, over 20 themes, automatic indent and outdent, and much more. Quiver lets you write in Markdown with inline formatting and custom CSS options. A live preview window renders Markdown as you type. Quiver uses MathJax to typeset mathematical equations written in LaTeX.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Not Supported
Chromebook Not Supported

Audience

Researchers, students, and knowledge workers who want to capture, organize, and save AI chats and web research into a unified, searchable knowledge base

Audience

Programmers and developers looking for a notebook solution to mix and edit text, code, and Markdown

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Brilliant app, best note taking app for developers. Nothing comes close other than maybe Obsidian and Joplin, but Quiver has them both beat.

Cons

  • App has not been updated to work with Mac's next gen OS (MacOS 27+)

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Kortex
Founded: 2025
USA
yaksh1.github.io/Kortex-Landing-Page/

Company Information

Quiver
Founded: 2019
HappenApps
happenapps.com

Alternatives

Alternatives

Nova

Nova

Panic

Categories

AI Productivity Supported

Categories

Code Editors Supported
HTML Editors Supported
JSON Editors Supported
Markdown Editors Supported
Text Editors Supported

Integrations

CSS Not Supported
ChatGPT Supported
Claude Supported
Dropbox Not Supported
Gemini Supported
Gemini Notebook Supported
Google Chrome Supported
Google Docs Supported
Google Drive Not Supported
HTML Not Supported
JSON Not Supported
LaTeX Not Supported
Legion Not Supported
Markdown Not Supported
Perplexity Supported
SnippetsLab Not Supported
iCloud Not Supported

Integrations

CSS Supported
ChatGPT Not Supported
Claude Not Supported
Dropbox Supported
Gemini Not Supported
Gemini Notebook Not Supported
Google Chrome Not Supported
Google Docs Not Supported
Google Drive Supported
HTML Supported
JSON Supported
LaTeX Supported
Legion Supported
Markdown Supported
Perplexity Not Supported
SnippetsLab Supported
iCloud Supported
Claim Kortex and update features and information
Claim Kortex and update features and information
Claim Quiver and update features and information
Claim Quiver and update features and information