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

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
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  • 1
    Nikita is a peer-to-peer PIM. It will offer all the same benefits of the standard PIMS (such as Outlook or Chandler) but will not require a central server. Items can be marked as Calendar, Task, Email, etc... or any combination of those. Silos be gone!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Nomad PIM is a free extensible personal information manager. It contains modules for personal notes, journal, address book, personal finances, task management, time tracking and evaluating basic fitness measurements.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    This is a simple PHP system to keep track of rig check. You can define the fields, rigs, and then search by date.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Web organizer helps user to plan his activities, it includes a calendar, a to-do list and notes. Private info is encrypted.
    Downloads: 0 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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