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Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
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The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
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Pinboard is a personal archive for things you find online and don't want to forget.
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a non-linear personal web notebook
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Org: an Emacs Mode for Notes, Planning, and Authoring
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Trilium Notes is a hierarchical note taking application.
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Easy to use interface; Search and paste previous copy entries; Keep multiple computer's clipboards in sync; Data is encrypted when sent over the network; Accessed from tray icon or global hot key; Select entry by double click, enter key or drag drop…
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Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.
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Write Markdown documents with a comprehensive GUI and many workflow/time management tools.
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Organize all your ideas
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Boostnote is an open-source note-taking app.
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The secure, collaborative notebook
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A command-line fuzzy finder written in Go
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Personal knowledge management and sharing on VSCode & GitHub
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KISS is a fast launcher for your Android.
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An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
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TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.
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Track your tasks and projects in a plain text file, todo.txt. A todo.