Notetaking, Outliner, PIM, Calendar, To-Do list apps

  • myTinyTodo

    Free Self-Hosted Website

    Simple way to manage your todo list in AJAX style.
    Written in PHP and jQuery.
    Data stored in SQLite or MySQL database.
    Distributed under the GNU GPL License.


    Multiple lists
    Task notes
    Tags (and tag cloud)
    Due dates (input format: y-m-d, m/d/y, d.m.y, m/d, d.m)
    Priority (-1, 0, +1, +2)
    Different sortings including sort by drag-and-drop
    Password protection
    Smart syntax improves creation of tasks (usage: /priority/ Task /tags/)
    Print-friendly CSS
    Style for mobiles devices


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  • Stacks - Task manager

    Free Mac Windows Linux Website

    Stacks is an easy to use task manager that helps to organize your tasks in an elegant and intuitive way. Using kanban paradigm for managing your projects Stacks offers a flexible and visual way to organize your tasks with ease. Combining powerful features like tags, task grouping, quick search and attachments with a beautiful user interface, Stacks aims to make task management both easy and fun.


    • Colored tagging system
    • Quick task search
    • Task attachment
    • Mark task as complete or to do
    • Sync through iCloud Drive, Dropbox or any other file syncing service
    • Attachment preview
    • Write your tasks in Markdown
    • Add address or coordinates and preview the map with zoom
    • Add a link
    • Automatic backup of your library
    • Drag and Drop
    • Task due date
    • Create reminder and calendar event from task
    • Beautiful image preview


    Stacks - Task manager icon
  • Lifeograph

    Free Windows Linux Android Website

    Lifeograph is an off-line and private journal and note taking application.


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  • CherryTree

    Free Windows Linux Mac Website

    A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.


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  • Joplin

    Freemium Mac Windows Linux Android iPhone ... Android Tablet iPad Self-Hosted AppImageHub Snapcraft Chrome Flathub Homebrew Chocolatey Termux Firefox Website

    An open source note taking and to-do application with synchronisation capabilities.


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  • Trilium Notes

    Free Mac Windows Linux Self-Hosted Chrome ... Cloudron Firefox Website

    Original Feature List (with personal marked Highlights)

    >> Notes can be arranged into arbitrarily deep tree. Single note can be placed into multiple places in the tree (see cloning)

    • Rich WYSIWYG note editing including e.g. tables, images and math with markdown autoformat
    • Support for editing notes with source code, including syntax highlighting
    • Fast and easy navigation between notes, full text search and note hosting
      >> Seamless note versioning
      >> Note attributes can be used for note organization, querying and advanced scripting
      >> Synchronization with self-hosted sync server
    • Strong note encryption with per-note granularity
      >> Relation maps and link maps for visualizing notes and their relations
      >> Scripting - see Advanced showcases
    • Scales well in both usability and performance upwards of 100 000 notes
    • Touch optimized mobile frontend for smartphones and tablets
    • Night theme
    • Evernote and Markdown import & export
    • Web Clipper for easy saving of web content


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  • Obsidian

    Free Personal Mac Windows Linux Android iPhone ... Android Tablet iPad Snapcraft Flathub Website

    Powerful knowledge base that works on top of a local folder of plain text Markdown files.


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  • KeyNote NF

    Free Windows Website

    KeyNote NF is a flexible, multi-featured tabbed notebook, based on Windows standard RichEdit control. It's always accessible with a single keypress, even if you work in another application.

    The basic idea in KeyNote NF is that you can include many separate notes within a single file. This means that you do not need to open several files - for most purposes it is enough to create only one file and hold all your notes inside it. With the addition of the tree-type notes, you now have a three-dimensional notebook: many notes within one file and a multi-level, nested pages within a single note. Keynotes interface and behavior are extremely configurable.
    KeyNote is the only information manager that offers a combination of simple and tree-type notes, rich text editor, ability to mix freely many notes of different types in a single file and secure encryption. This makes KeyNote the most flexible and one of the most powerful applications of this kind currently available. Some functions, such as "virtual nodes", per-file configuration settings, multiple backups or WordWeb integration are unique and, to my knowledge, not supported by any other notebook program, freeware or shareware.

    With powerful text formatting capabilities, easily navigable interface and additional features such as styles, macros, plugins, and templates, KeyNote is has become the favorite note keeper, diary, outliner, knowledge base and information manager for thousands of users.


    KeyNote NF icon
  • MemPad

    Free Windows Website

    MemPad is a plain text outliner and note taking program with a tree structured index.
    All pages are stored in a single file.
    User interface available in 20 languages.


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  • AlephNote

    Free Windows Website

    AlephNote is a lightweight note taking desktop app usable with multiple backends:

    Standard Note
    With the StandardNotePlugin your notes get synced with a Standard File server. Your notes are locally encrypted and cannot be read from anyone but you.

    With the SimpleNotePlugin you can sync your notes with the free SimpleNote online service

    Nextcloud/owncloud notes
    The NextcloudPlugin syncs your notes with the notes app running on you own private nextcloud/owncloud instance

    You can also simply not use a remote backend and either use the HeadlessPlugin (don't sync the notes anywhere) or the FilesystemPlugin (sync the notes with another folder).™


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  • Notable

    Free Mac Windows Linux Electron / Atom Shell Website

    Notable is a cross-platform note app. Notes are plain Markdown files, their metadata is stored as Markdown front matter. Attachments are also plain files, if you attach a picture.jpg to a note everything about it will be preserved, and it will remain accessible like any other file.


    • No proprietary formats: Notable is just a pretty front-end for a structured folder and uses plain Markdown
    • Notes get rendered as GitHub-flavored Markdown
    • Indefinitely nestable tags
    • Fuzzy search
    • Code syntax highlighting
    • Multi-note editing and search/replace


    Notable icon
  • CryptPad

    Freemium Self-Hosted Software as a Service (SaaS) Website

    CryptPad is a collaborative office suite that is end-to-end encrypted and open-source.


    CryptPad icon
  • Etherpad

    Free Web Self-Hosted Cloudron Website

    Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time.

    Collaborating in really real-time
    No more sending your stuff back and forth via email, just set up a pad, share the link and start collaborating!

    Etherpad allows you to edit documents collaboratively in real-time, much like a live multi-player editor that runs in your browser. Write articles, press releases, to-do lists, etc. together with your friends, fellow students or colleagues, all working on the same document at the same time.

    All instances provide access to all data through a well-documented API and supports import/export to many major data exchange formats. And if the built-in feature set isn't enough for you, there's tons of plugins that allow you to customize your instance to suit your needs.

    You don't need to set up a server and install Etherpad in order to use it. Just pick one of publicly available instances that friendly people from everywhere around the world have set up. Alternatively, you can set up your own instance by following our installation guide

    This opensource project is based on the original Small Etherpad (by Appjet) iconEtherpad (by Appjet) , made from AppJet Inc. , later acquired by Google which open-sourced the key libraries required to create Etherpad Lite.


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  • TiddlyWiki

    Free Mac Windows Linux Web BSD ... Self-Hosted Xfce RemoteStorage Website

    TiddlyWiki is a highly customizable notewiki for capturing, organising and sharing complex information.


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  • TiddlyDesktop

    Free Mac Windows Linux node-webkit TiddlyWiki Website

    TiddlyDesktop is a special purpose web browser for working with locally stored TiddlyWikis.


  • ToDoList

    Free Windows Wine Website

    ToDoList is software in the category of Task Management, Project Management, Productivity, “Getting Things Done” (GTD), Scheduling, and Collaboration.


    ToDoList icon
  • Todo.txt

    Free Mac Linux BSD Windows Website

    Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.


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  • Nextcloud Deck

    Free Web Android Self-Hosted Website

    Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud.


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  • InfoQube

    Commercial Windows Website

    Full-featured Information manager, inspired by award-winning Ecco Pro. Outliner with user-defined columns, Calendar, Gantt and Timeline charts, Rich-text pane, MindMap, Pivot tables and charts.


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  • Noteliner

    Free Windows Website

    Noteliner is an outlining tool for keeping track of todos and other information about projects. Noteliner lets you create a hierarchy of notes to track and structure your work. You can also give these notes due dates, indicate which ones need attention, assign people, prioritize, or mark them complete. Different views allow you to see all the notes assigned to a particular person, those that are over due, need attention or are dated.


  • UKs Kalender

    Free Windows Website

    This program helps you organizing your dates and tasks and reminds you of upcoming events.


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  • BORG Calendar

    Free Windows Linux Website

    BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs, such as Microsoft Outlook, Mozilla Calendar, Palm Desktop, Yahoo Calendar, etc... The Task Tracker goes way beyond todo's and might better be called a project tracking system.

    BORG is basically meant to be a small self-contained Java application that you can run locally (i.e. without a network). Many users run it from a thumb drive.


    Nice Month-at-a-time view
    Week and Day Views
    To-Do list
    Repeating Appointments
    Private Appointments that do not show by default (for recording things like "rectal exam 2pm" that you don't need your friends/coworkers to see over your shoulder).
    Pop-up reminders
    Email reminders
    A Task/Project Tracking System
    A simple address book
    MySQL DB, HSQLDB, generic JDBC
    XML import/export
    more ...


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  • Desktop Calendar

    Free Windows Website

    Keep a nice, transparent calender on the desktop. Double-click on a day to enter a description.


    Desktop Calendar icon
  • Nextcloud Calendar

    Free Web Self-Hosted Website

    The Calendar app is a user interface for Nextcloud's CalDAV server. Easily sync events from various devices with your Nextcloud and edit them online.


    Nextcloud Calendar icon
  • TreeLine

    Free Windows Linux Website

    TreeLine just stores almost any kind of information. A tree structure makes it easy to keep things organized. And each node in the tree can contain several fields, forming a mini-database. The output format for each node can be defined, and the output can be shown on the screen, printed, or exported to html. TreeLine can also act as a basic editor for any kind of XML file.


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  • Symphytum

    Free Mac Windows Linux Website

    Symphytum is a personal database software for everyone who desires to manage and organize data in an easy and intuitive way, without having to study complex database languages and software user interfaces.


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  • Free Address Book

    Free Windows Website

    With Free Address Book - Free Phone Book you can note the addresses, phone numbers, mobile, fax, company name, country, city, website address and email addresses of your contacts and partners.

    Add your custom fields, where you can store your special data, which is not default in this program.

    You can easy customize printable list of contacts and details page of selected contact.

    Export/import your contacts in CSV format.

    Phone Book is absolutely free!

    Organize your contacts easy and fast!


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  • Open Contacts

    Free Windows Website

    Open Contacts is an advanced address book program for managing contact info of individuals and organizations with relationships. Distributed as freeware, the program was designed for people who need more beyond ordinary address book programs in order to improve dynamic interactions with contacts. In addition, with SyncML for Open Contacts, you may synchronize contact info with smart phone, PDA and Web address books etc.


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  • Nextcloud

    Free Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted F-Droid Cloudron Website

    A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.


    Nextcloud icon

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