Browse free open source To-Do Lists software and projects below. Use the toggles on the left to filter open source To-Do Lists software by OS, license, language, programming language, and project status.

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  • 1
    FreeMind

    FreeMind

    A premier mind-mapping software written in Java

    A mind mapper, and at the same time an easy-to-operate hierarchical editor with strong emphasis on folding. These two are not really two different things, just two different descriptions of a single application. Often used for knowledge and content management.
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    Downloads: 3,137 This Week
    Last Update:
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  • 2
    PNotes
    PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile
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    Downloads: 228 This Week
    Last Update:
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  • 3
    Task Coach

    Task Coach

    Free flexible open source todo manager featuring hierarchical tasks

    Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be. Task Coach is available for Windows, Mac OS X, and GNU/Linux; and there is a companion iOS app.
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    Downloads: 110 This Week
    Last Update:
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  • 4
    WikidPad is a wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down.
    Downloads: 64 This Week
    Last Update:
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  • 5

    SO Planning

    Simple Online Planning

    SO Planning is a Simple Online Planning tool. Allows you to plan working periods for each person of your team, in a visual / printable result. Shows a line by person and the corresponding working days. Who does what, when and on what project? SOPlanning is an online planning tool, designed to efficiently organize projects and tasks. Assign work for each member of your teams, regardless of your field of activity. The keys to the tool: a list of projects, a list of users, and tasks assigned to the various projects, all online on the web and in complete security. SO Planning allows you to have real staff management on the internet via your computer or your phone. You can work by department, and organize your project very simply. The management of schedules within several teams is thus facilitated, a global dashboard helps you to visualize the complete schedule of your project. More details on our website : https://www.soplanning.org
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    Downloads: 37 This Week
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  • 6
    Makagiga

    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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    Downloads: 27 This Week
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  • 7
    sleek - open-source todo.txt manager

    sleek - open-source todo.txt manager

    sleek is a todo.txt manager, free and open-source (FOSS)

    sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. Stripped down to only the most necessary features, and with a clean and simple interface, sleek aims to help you focus on getting things done. All classic todo.txt attributes are supported and enhanced by additional features. Creating todos is straightforward, and tag-based filtering in tandem with highly customisable grouping and smart full-text search allow for rapid information retrieval. Completed todos can be hidden or archived into separate done.txt files. Easy integration with other todo.txt apps is facilitated by continuously scanning todo.txt files for changes. sleek is available for Windows, macOS and Linux, and in several languages.
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    Downloads: 32 This Week
    Last Update:
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  • 8
    GloboNote

    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.
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    Downloads: 29 This Week
    Last Update:
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  • 9
    RedNotebook is a graphical diary and journal helping you to keep track of notes and thoughts. It includes a calendar navigation, customizable templates for each day, export functionality and word clouds. You can also format, tag and search your entries. Please find the latest releases at https://rednotebook.app
    Downloads: 20 This Week
    Last Update:
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  • 10
    Collabtive

    Collabtive

    Collabtive is web based project management software. Simple and easy.

    Collabtive is web based collaboration software. It is an Open Source alternative for proprietary tools like Active Collab or Basecamp. Features include: Projects, Instant Messenger, Tasks, Files, Timetracking, Multilanguage, Basecamp import
    Downloads: 17 This Week
    Last Update:
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  • 11
    BORG is a calendar and task tracking system written in Java. The calendar provides a nice month view, month-print, email reminders, popup reminders and to do list. The task tracker tracks issues through various states.
    Downloads: 55 This Week
    Last Update:
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  • 12
    JTrac

    JTrac

    Easy to set up bug tracking with Java

    JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include a customizable workflow, field level permissions, e-mail integration, file attachments, a detailed history view and changeable colors to fit a particular CI/CD. After a long hiatus, development has resumed with version 2.2.0 in December 2021, 2.2.1 in February 2022, 2.3.0 in February 2023, 2.3.1 in May 2023, 2.3.2 in July 2023 and 2.3.3 in June 2024. See https://sourceforge.net/p/j-trac/wiki/Home/ for release notes and documentation, and download it at https://sourceforge.net/projects/j-trac/files/jtrac/. Feedback is welcome. JTrac continues to be improved, and has recently been awarded the SourceForge "Open Source Excellence" badge.
    Downloads: 8 This Week
    Last Update:
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  • 13
    Rachota

    Rachota

    Easy-to-use personal time tracking application for Windows and Unix

    Rachota is a portable application for time-tracking your work on different projects. It runs on Windows, Linux, Solaris and Mac. Rachota displays time data in diagram form, creates customized reports or invoices and provides suggestions to increase your efficiency.
    Downloads: 8 This Week
    Last Update:
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  • 14
    qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list.But provides features useful for students such as:timetable and a booklet for marks and absences.It's designed to be easy to use.
    Downloads: 7 This Week
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  • 15
    TreeLine is an information storage program that uses a tree structure to keep things organized. Each node of the tree can contain several user-defined fields, forming a mini-database.
    Downloads: 30 This Week
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  • 16
    The VCS to ICS Calendar Converter allows you to convert VCALENDAR files (for example generated by Nokia nbuexplorer or Microsoft Works) to the newer iCalendar format, used by Android and iOS for example. It allows the parsing of events and todo's.
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    Downloads: 34 This Week
    Last Update:
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  • 17
    Lifeograph

    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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    Downloads: 21 This Week
    Last Update:
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  • 18
    jWorkSheet
    jWorkSheet is a desktop personal time tracker for your projects. Data are presented in a spreadsheet-like format. The application offers some completed work sheet reports, but you can create your own user reports by XSL transformations.
    Downloads: 25 This Week
    Last Update:
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  • 19
    todoyu
    Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).
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    Downloads: 3 This Week
    Last Update:
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  • 20
    GTD-Free is personal TODO/action manager inspired by GTD (Getting Things Done) method by David Allen. GTD-Free tries to be simple and easy to use.
    Downloads: 3 This Week
    Last Update:
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  • 21
    WeekToDo

    WeekToDo

    WeekToDo is a Free and Open Source Minimalist Weekly Planner and To Do

    WeekToDo is a free and Open Source Minimalist Weekly Planner and To Do list App for simple and effective people. Schedule your tasks, set reminders and handle projects with To Do list and a calendar. Available for Windows, Mac, Linux or online.
    Downloads: 17 This Week
    Last Update:
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  • 22
    Pomodoro Timer
    This is a pomodoro timer for windows. This program runs on all Windows Platforms. Only Microsoft .NET 2.0 Framework is required.
    Downloads: 4 This Week
    Last Update:
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  • 23
    GTD Sync

    GTD Sync

    The Freeplane add-on that syncs a GTD mind map with a todo.txt file

    The Freeplane add-on "GTD Sync" enables you to use the non-linear representation of Freeplane to organise and review your projects, next actions and delegated actions. You can then use a todo.txt list manager like Simpletask for Android to decide on the go what to do in a certain context and to check off completed tasks The add-on imports new next or delegated actions and changes to existing next or delegated actions from the todo.txt file into the GTD mind map and then exports all next actions to the todo.txt file. In this way both files will stay synchronised. In addition you need a cloud service like Dropbox to keep your todo.txt file in sync between systems. For more information on Freeplane, see http://www.freeplane.org/wiki/index.php/Main_Page The todo.txt format is a simple set of rules that makes todo.txt both human and machine-readable, see http://todotxt.com/. The add-on is inspired by Freeplane|GTD, see http://auxilus.com/blog/freeplanegtd/
    Downloads: 9 This Week
    Last Update:
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  • 24
    Kordil EDMS the Electronic Document Management System with power tools is a user friendly document control and management system to gather all documents and key and important information within your organizations under a single database.
    Downloads: 2 This Week
    Last Update:
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  • 25
    phpCollab

    phpCollab

    Open source project management

    Project management and collaboration over the internet. Features team/client sites, task assignment, document repository/workflow, gantt charts, discussions, calendar, notifications, support requests, weblog newsdesk, invoicing, and many other tools.
    Downloads: 5 This Week
    Last Update:
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