Joplin
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organized into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor. The notes are in Markdown format. Notes exported from Evernote via .enex files can be imported into Joplin, including the formatted content (which is converted to Markdown), resources (images, attachments, etc.) and complete metadata (geolocation, updated time, created time, etc.). Plain Markdown files can also be imported. The notes can be synchronized with various cloud services including Nextcloud, Dropbox, OneDrive, WebDAV or the file system (for example with a network directory). When synchronising the notes, notebooks, tags and other metadata are saved to plain text files which can be easily inspected, backed up and moved around. The application is available for Windows, Linux, macOS, Android and iOS.
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Hypernotes
With Hypernotes you can finally express your knowledge in a natural way – easy to create, easy to expand, and – maybe most importantly – easy for others to understand. Your notes, tutorials, wikis, intranets, books, scripts, articles, research activities – from now on, they have a new home. Everything is connected. So is your knowledge: It forms a network. With Hypernotes you easily create a semantic network of your knowledge. The result? Less text, but more understanding. When your projects get bigger and more successful, you need your team. That’s also true for knowledge bases. Hypernotes has powerful task management features in place: Share and assign writing-related tasks with your colleagues, friends, and family. Some of the most important steps of the content creation process happen not at your desk – but when you are out there, in the real world.
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TagSpaces
TagSpaces is privacy aware, cross-platform file browser with note-taking capabilities. It helps you organize your files and folders with tags and colors. Free downloads are available for Windows, macOS, Linux, and Android.
With the built-in advanced markdown editor, you can create notes that can include tables, todo-lists, math formulas, or diagrams. TagSpaces can connect to any folder on your hard drive and provide a convenient way to browse its content. You have the ability to add labels called tags to any file or folder. Using tags along the folder hierarchy allows you to have cross-references in the folders. The built-in search allows you to find files with any combination of tags. On top of that in the Pro version, you can add descriptions and geo-tags to files and folders. The Pro version gives you the ability to turn every folder to a Kanban board, which can be useful in many ways.
With the TagSpaces Web Clipper, you can collect web pages and bookmarks from the Web.
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Inkdrop
Organizing your Markdown notes made simple. With 100+ plugins, cross-platform and encrypted data sync support. Get a low-friction personal note-taking workflow and accomplish more. With your notes well-organized effortlessly, you can stay focused on doing your best work. It comes with multi-language code highlighting, multi-cursors, line numbers, scrolling beyond the last line, showing invisible characters and more. An intuitive and clean user interface and 'Distraction free mode' don't distract you from the text. With nestable notebooks, pin-to-top, tags and workspace view, it allows you to flexibly organize your notes. Track your work progress with note status and task progress view in the note list. Your notes can be shared on the web with a public link. It also supports exporting as HTML, PDF and Markdown file format. Whenever, even while in offline, you can read and write notes.
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