Open Source To-Do Lists Software

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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.

  • Paessler - Monitor Your Whole Network in Minutes Icon
    Paessler - Monitor Your Whole Network in Minutes

    Auto-discovery finds your devices and deploys pre-configured sensors instantly. No project plan required, just visibility from day one.

    Waiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
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  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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  • 1
    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
    Leader badge
    77 Reviews
    Downloads: 377 This Week
    Last Update:
    See Project
  • 2
    BlockNote
    BlockNote is a simple and good-looking program specially designed to help you keep track of notes and reminders. Notes can be stored either in list form, or in tree-like structure (which supports HTML functions). Also there is a "countdown" feature
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3
    BrainDump is a hierarchical note-taking application written in C#. It is similar to TreePad, JTreePad, and other Tree-like note-taking applications.
    1 Review
    Downloads: 2 This Week
    Last Update:
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  • 4
    KnowIt is a simple tool for managing rich-text notes in a tree-like hierarchy.
    Downloads: 1 This Week
    Last Update:
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  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
    Watch Demo Series
  • 5
    A small sticky notes application
    Downloads: 1 This Week
    Last Update:
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  • 6
    EN: Free Sticky Note in java 1.6+ for Desktop; I T: Free Note per il tuo Desktop compatibile con java 1.6+; 3F Java Notes is a free and open source program that will allow to place lots of sticky notes on your desktop so that you will never forget about
    Downloads: 0 This Week
    Last Update:
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  • 7
    AsmPlan is a small, fast todo program optimized for cyclic events. It handles daily, weekly, or yearly events.
    Downloads: 0 This Week
    Last Update:
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  • 8
    BasKet Note Pads is an all purpose note taking application that let you take every kond of notes while remaining unobtrusive.
    Downloads: 0 This Week
    Last Update:
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  • 9