1. Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more.
  2. Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.
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  3. KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key file.
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  4. KeePassXC is a community fork of KeePassX, the cross-platform port of KeePass for Windows. Every feature is cross-platform and tested to give users the same feel on each operating system, including the loved auto-type feature.
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  5. A second brain, for you, forever. The human brain is non-linear: we jump from idea to idea, all the time. Your second brain should work the same.
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  6. Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based
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  7. Atom is an open-source, Electron based text editor with a massive ecosystem of plugins and themes that are easily accessible through a built-in package manager. Being built with Electron, it uses web technology (HTML, CSS, JavaScript and Node.
  8. TeamViewer lets you establish a connection to any PC or server within just a few seconds. You can remote control the PC of your partner as if you were sitting right in front of it.
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  9. Standard Notes is a simple and private notes app. It allows you to write and sync your notes across all your devices, including your iPhone, iPad, Mac, and web browser.
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  10. Writer has all the features you need from a modern, full-featured word processing or desktop publishing tool.
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  11. diagrams.net (previously draw.io) is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams. No login or registration are required and features include the ability to save locally (including SVG), a range of stencils, .
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  12. Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features.
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  13. Kdenlive is a non linear video editor. It is based on the MLT framework and accepts many audio and video formats, allows you to add effects, transitions and render into the format of your choice.
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  14. Web-based git repository management with wiki, code reviews, issue-tracking and CI/CD pipeline.
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  15. BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, cookies, Internet history, localizations, logs, temporary files, and broken shortcuts.
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