Open Source Note-Taking Apps
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Note-Taking Apps
View 152 business solutionsBrowse free open source Note-Taking apps and projects below. Use the toggles on the left to filter open source Note-Taking apps by OS, license, language, programming language, and project status.
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Auth0 for AI Agents now in GAConnect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
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Automate contact and company data extractionGenerate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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Skim
A PDF Reader and Note-taker for OS X
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file. Skim requires OS X 10.10 or higher. -
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Joplin
Open source note taking and to-do app with synchronization
Joplin is a free and open source note-taking and to-do application that can handle a large number of notes in Markdown format, organize them into notebooks and synchronize them with various cloud services. All notes can also be copied, tagged, searched and modified directly from the app or through your own text editor. Notes that are exported from Evernote can be imported into Joplin, be it formatted content, resources, complete metadata or plain Markdown files. When notes are synchronized with cloud services, notebooks, tags and other metadata can easily be moved, inspected or backed up as plain text files. Supported cloud services include Nextcloud, OneDrive, Dropbox and WebDAV. Joplin is available for Windows, Linux, macOS, iOS and Android, with three types: desktop, mobile and terminal. All of them have similar user interfaces and can be synchronized with each other. -
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TagSpaces
TagSpaces is an offline, open source, document manager with tagging
TagSpaces is a free, no vendor lock-in, open source application for organizing, annotating and managing local files with the help of tags. It features advanced note taking functionalities and some capabilities of to-do apps. The application is available for Windows, Linux, Mac OS and Android. We provide a web clipper extension for Firefox, Edge and Chrome for easy collecting of online content in the form of local files. File and folder management - TagSpaces provides a convenient user interface for browsing, viewing and man files and folders. The application supports two ways for tagging files. The default one embeds the tags directly in the name of the file, the other one uses a so called sidecar files for persisting the tags. The search functionality supports fuzzy functionality and can filter your locations for files and folders containing one or more tags. -
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GloboNote
Create sticky notes, to-do list, journals & reminders all in one app
GloboNote is a free and easy to use desktop note taking application. It lets you create sticky notes, to-do lists, journals, reminders and other notes in one place. There are no limits to the number of sticky notes you can create. Notes can be organize by groups and search using the search tool. GloboNote can be run in any OS that has Java 8 installed. -
Powerful cloud-based licensing solution designed for fast-growing software businesses.10Duke Enterprise is a cloud-based, scalable and flexible software licensing solution enabling software vendors to easily configure, manage and monetize the licenses they provide to their customers in real-time.
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Makagiga
To-do manager, notepad, RSS reader...
Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities. -
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Notes
Note taking application, write down your thoughts.
Notes is an open source, cross-platform note-taking application. Write down your thoughts with ease, and always have them with you with this simple, streamlined app. -
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Hypernomicon
Hypertext-infused philosophy personal database software
Hypernomicon is a personal productivity/database application for researchers that combines structured note-taking, mind-mapping, management of files (e.g., PDFs) and folders, and reference management into an integrated environment that organizes all of the above into semantic networks or hierarchies in terms of debates, positions, arguments, labels, terminology/concepts, and user-defined keywords by means of database relations and automatically generated hyperlinks (hence ‘Hyper’ in the name). Hypernomicon keeps track of all these things in a highly structured, thoroughly indexed and user friendly relational database, automatically generates semantic hyperlinks between all of them, and presents this information in many different forms so that you are constantly informed of ways all of your information is related that you had not realized. -
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Lifeograph
Advanced personal note taking application
Lifeograph is a diary program to take personal notes on life. It has all essential functionality expected in a diary program and strives to have a clean and streamlined user interface. -
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memos
An open-source, self-hosted memo hub with knowledge management
A lightweight, self-hosted memo hub. Open Source and Free forever. memos provides the privacy security and reliability that innovators need in their moments of inspiration. Keep your own data by yourself. All data generated at runtime is saved in the SQLite database file. All content will be saved as plain text, not HTML. And lots of useful markdown syntaxes are supported. Using Go + React.js + SQLite architecture, the overall package is very lightweight. You can customize the server name, icon, description, custom system style and execution script, etc. memos believes that open source is the future, and all code is already open source in GitHub. All features are free forever and will never be charged in any form or content. -
DAT Freight and Analytics - DATDAT Freight & Analytics operates DAT One, North America’s largest truckload freight marketplace; DAT iQ, the industry’s leading freight data analytics service; and Trucker Tools, the leader in load visibility. Shippers, transportation brokers, carriers, news organizations, and industry analysts rely on DAT for market trends and data insights, informed by nearly 700,000 daily load posts and a database exceeding $1 trillion in freight market transactions. Founded in 1978, DAT is a business unit of Roper Technologies (Nasdaq: ROP), a constituent of the Nasdaq 100, S&P 500, and Fortune 1000. Headquartered in Beaverton, Ore., DAT continues to set the standard for innovation in the trucking and logistics industry.
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Perpetual Notes
Write beautifully. Organize easily. Find everything.
Take notes faster. Find information easily. Save notes in RTF with rich text formatting and images, meeting notes, web pages, projects, travel plan, research drafts - with Perpetual Notes as your note taking app, have fun with note taking again. Runs on Windows 7/8/10. -
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Omni-Notes
Free and powerful note-taking application
Omni-Notes is a powerful open-source note-taking application for Android designed to be both smart and simple. It has a clean and simple Material Design interface and is packed with plenty of smart features. These include image, audio and generic file attachment, a To-do list, Google Now integration, numerous widgets and so much more. Omni-Notes takes note-taking to a whole new level, making it more convenient and integrated. It's an ideal note-taking application particularly for old Android phones without such apps, giving users an updated look and experience when taking down notes. -
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FreeplaneGTD+
Freeplane add-on for task management and memo taking
Freeplane is a widely used mind mapping tool. GTD is a time management methodology by David Allen. Freeplane GTD is an addon, that can collect tasks specified in a mindmap, thus allowing the users of Freeplane to use the concepts of GTD in their mind -
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UPDATE 2024: Get a new version here: https://github.com/ivoras/EncryptedNotepad2 "Encrypted Notepad" does only one thing, but aims to do it perfectly - a Notepad-like simple text editor where files are saved (and later loaded) encrypted with industrial strength algorithms. Available both for the desktop (as a Java application) and on Android. Unencrypted data is never stored on-disk. Source is released (on SourceForge) under the BSD license.
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ThoughtStack
Organize your thoughts with ThoughtStack!
ThoughtStack is a folding-tree-based notepad. It's great for brain storming, outlining, planning, and all your other note-taking needs! -
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Crispy Synced Notes
A note taking program with WebDAV sync
An note taking program with WebDAV sync capabilities. It works on a local (and WebDAV) directory and shows the items (text/image/binary) in a tree view. Any changes are reflected in the file system directly. Features: - group notes and images in a tree structure (using folders) - can work on any directory on your machine - technically works like a file browser with inline text editing - synchronizes with any WebDAV server (optionally using SSL/TLS) - allows one-way and two-way synchronization - allows to encrypt your files locally and remote using AES256 - multi language support You can obtain the full source code at: https://crispy-cow.de/git/CrispySyncNote.git Latest changes: 2.1.0: Updated for Java 9 and up 2.0.2: Added more UI translation, updated greek language (thanks to geogeo) 2.0.1: Bugfix: Sync state is now copied when duplicating workspace due to change in encryption settings -
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Piggydb
Piggydb helps you have more fun with knowledge creation.
Piggydb is a flexible and scalable knowledge building platform that supports a heuristic or bottom-up approach to discover new concepts or ideas based on your input. You can begin with using it as a flexible outliner, diary or notebook, and as your database grows, Piggydb helps you to shape or elaborate your own knowledge. Piggydb is a Web application provided as a self-contained package that contains a Web server and database engine. With Piggydb, you can create highly structured content by connecting knowledge fragments to each other to build a network structure, which is more flexible and expressive than a tree structure. Fragments can also be classified using hierarchical tags. -
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QOwnNotes
Plain-text file notepad with markdown support and ownCloud integration
QOwnNotes is the open source (GPL) plain-text file notepad with markdown support and todo list manager for GNU/Linux, Mac OS X and Windows, that (optionally) works together with the notes application of ownCloud. Please visit the project webpage for downloading QOwnNotes. -
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Electronic Cerebral Cortex System - an external harddrive for your brain. An application for storing and organizing notes, images, todos, and calendar events.
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BasKet Note Pads is an all purpose note taking application that let you take every kond of notes while remaining unobtrusive.
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BoolHub
A fully functional personal information management software.
[Native application]: Developed with QT, pure native application, faster response; Cloud synchronization: Data is recorded in the cloud, and the data is no longer lost. Data synchronization is unlimited, everything is in your control; [Rich note types]: Support rich text, Markdown, code, tables, drawings, flowcharts and other note formats; [Manage your customers]: A customer relationship management system that supports team collaboration to grasp every lead and every customer; [Manage daily affairs]: Manage your affairs in an orderly manner through the feature-rich to-do list view; [Free without function limit]: There is no limit to the software functions, free to use, we are just to make a friend; [Different moods and different themes]: Notes and to-do lists, support a variety of exquisite themes, do whatever you want, change it if you want; [More application scenarios]: Memo view, timeline view, passwordbook view, statistics view to meet your different needs. -
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BrainDump is a hierarchical note-taking application written in C#. It is similar to TreePad, JTreePad, and other Tree-like note-taking applications.
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Cournal
Cournal is a collaborative note taking and journal application using a
Cournal allows multiple users to annotate PDF files in real-time. The goal of this project is a full featured note taking application (like Xournal or Windows Journal), which allows multiple people to collaborate (like Gobby). -
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DaxonPad
Text editor from Daxon. Editor de texto de Daxon.
English: DaxonPad is a Notepad/Kate/Gedit style text editor for Linux that can allow to modify your .txt file including changing the background and text colour to changing the font and text size. Español DaxonPad es un editor de texto (estilo Bloc de notas (Windows)/Kate/Gedit) para Linux que te permite modificar el texto como cambiar los colores del fondo y del texto hasta cambiar la fuente y el tamaño. -
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GTE Note Taker
A simple yet flexible portable plain text note taker for note addicts.
This small application aims to to help the user take structured plain text notes one at a time. By design, the application aim to be as simple as possible to take a note without being distracted by bells and whistles. The application can also be used to record todos and journal entries. They are structured because they have consistent names ([type]-timestamp.txt), stored in one configurable path, and, optionally, their contents follow predefined formats (see the cnf file). -
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HassNotes
Free note taking application with multiple notes and multiple windows
Note taking application that is light-weight and does not require an internet connection. This application stores the notes within the users application data so can be easily transfered if required. HassNotes provides the ability to see your notes either on top of the open application or behind the open applications. HassNotes has no limitation of how many notes you can create. HassNotes provides the ability to set the Size and Bold or Regular style text.
