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About

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organized into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor. The notes are in Markdown format. Notes exported from Evernote via .enex files can be imported into Joplin, including the formatted content (which is converted to Markdown), resources (images, attachments, etc.) and complete metadata (geolocation, updated time, created time, etc.). Plain Markdown files can also be imported. The notes can be synchronized with various cloud services including Nextcloud, Dropbox, OneDrive, WebDAV or the file system (for example with a network directory). When synchronising the notes, notebooks, tags and other metadata are saved to plain text files which can be easily inspected, backed up and moved around. The application is available for Windows, Linux, macOS, Android and iOS.

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”.

Platforms Supported

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

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

Audience

Anyone looking for a free open source note taking and to-do application to handle notes organized in notebooks

Audience

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

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 Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

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

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

Pros & Cons from Real Users

Pros

  • Free and open source. Works offline. Supports Evernote export format. Supports multiple languages. Save screenshots or webpages directly from browser. Available for Windows, Linux, macOS, Android and iOS.

Cons

  • A bit buggy at times (but they get patched rather quickly).

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

Joplin
joplinapp.org

Company Information

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

Alternatives

Alternatives

Categories

Markdown Editors Supported
Note-Taking Supported
Productivity Supported

Categories

AI Productivity Supported

Integrations

Adobe Acrobat Supported
Amazon S3 Supported
ChatGPT Not Supported
Claude Not Supported
DriveHQ Supported
Dropbox Supported
Fastmail Supported
Gemini Not Supported
Gemini Notebook Not Supported
Google Chrome Not Supported
Google Docs Not Supported
Mermaid Chart Supported
Microsoft OneDrive Supported
Nextcloud Supported
Perplexity Not Supported
Seafile Supported
Workers by Delos Supported
Zimbra Supported

Integrations

Adobe Acrobat Not Supported
Amazon S3 Not Supported
ChatGPT Supported
Claude Supported
DriveHQ Not Supported
Dropbox Not Supported
Fastmail Not Supported
Gemini Supported
Gemini Notebook Supported
Google Chrome Supported
Google Docs Supported
Mermaid Chart Not Supported
Microsoft OneDrive Not Supported
Nextcloud Not Supported
Perplexity Supported
Seafile Not Supported
Workers by Delos Not Supported
Zimbra Not Supported
Claim Joplin and update features and information
Claim Joplin and update features and information
Claim Kortex and update features and information
Claim Kortex and update features and information