Browse 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 GA

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    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
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  • 1
    Skim

    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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    Downloads: 2,449 This Week
    Last Update:
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  • 2
    AkelPad
    A simple notepad-like text editor with many features. It is designed to be a small and fast.
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    Downloads: 1,328 This Week
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  • 3
    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: 35 This Week
    Last Update:
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  • 4
    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: 47 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 5
    FreeplaneGTD+

    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
    Downloads: 22 This Week
    Last Update:
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  • 6
    Notepad X
    Notepad X is an alternative open source text editor for Microsoft Windows, with a lot of customization options created to help users managing text documents featuring tab navigation.
    Downloads: 7 This Week
    Last Update:
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  • 7
    PASTE

    PASTE

    An app for storing code, text & more. A popular Open Source pastebin.

    Paste is a PHP application for storing code, text and more. DEMO: https://paste.boxlabs.uk/ Initially forked from the freely available source pastebin.com used before the domain was sold in 2010, lots of improvements have been included over the years such as user accounts and a featureful administration backend. See https://github.com/boxlabss/PASTE/blob/master/docs/CHANGELOG.md
    Downloads: 10 This Week
    Last Update:
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  • 8

    Docear

    An Academic Literature Suite

    Docear (pronounced dog-ear) is what we call an “academic literature suite”. It integrates everything you need to search, organize and create academic literature in a single application: a digital library, reference manager, PDF and file manager, note taking and mind mapping. And the best: Docear works seemlessly with many existing tools like Mendeley, Microsoft Word, and Foxit Reader. Docear is free and open source, based on Freeplane, funded by the German Federal Ministry of Technology and developed by scientists from around the world, among others from OvGU, and the University of California, Berkeley.
    Downloads: 1 This Week
    Last Update:
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  • 9
    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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  • Inventors: Validate Your Idea, Protect It and Gain Market Advantages Icon
    Inventors: Validate Your Idea, Protect It and Gain Market Advantages

    SenseIP is ideal for individual inventors, startups, and businesses

    senseIP is an AI innovation platform for inventors, automating any aspect of IP from the moment you have an idea. You can have it researched for uniqueness and protected; quickly and effortlessly, without expensive attorneys. Built for business success while securing your competitive edge.
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