
Knowledge Management

Diigo - Your Learning, Simplified.
Collect Save and tag your online resources for easy access anytime, anywhere
Annotate Annotate web pages and PDF's directly as you browse online
Organize Organize your links, references and personal input to create a structured research base through Outliner
Share Share your research with friends, classmates, colleagues or associates
Cross-platform file tagging
Organize your documents, photos, e-books, music, recipes or invoices in the same way on almost every platform. We currently support Windows, macOS, Linux and Android. With the help of tags you can do research better or you can manage projects using the GTD methodology or you can organize your tasks in Kanban boards. The application can persists the tags in the file names and as a consequence, the tagging information is not vendor locked. The absence of a database, makes syncing of the tag meta information easy across different devices with services like Dropbox, Google Drive or Nextcloud. TagSpaces features basic file management operations, so it can be used as tag-based file manager.
Cross-platform note taking
You can create and edit notes in plain text, markdown and html file formats. You can organize webpages saved in for example HTML or MHTML formats. You can use TagSpaces to organize you e-book library, containing for example PDF or EPUB books. You can create a personal wiki for tracking of your projects, ideas or memories.
Browse and preview your local files
Browse your local files in a convenient and responsive user interface, familiar from the modern cloud based services. Browse your digital photos, listen your local music and video content, open PDF documents and MHTML files. The list of supported files types for previewing and editing is constantly growing.
Browse and preview files from S3 object storage
TagSpaces can connect to S3 compatible cloud object storage like from AWS S3, Wasabi or Minio, so you can browse, preview and edit files located in the Cloud in the similar way you do with your local files.
TagSpaces Web clipper
With the free browser extension available for Chrome, Edge and Firefox you can save whole webpages, parts or screenshot of them as plain files on your hard drive. The extension utilize common file formats like HTML, PDF, PNG or MHTML so you can easily use the saved content later in other programs including TagSpaces.
TagSpaces is offered as a desktop app and web application for self-hosting. The Lite version is free and open-source, the Pro plan is paid.
Home Inventory, a Mac App Store editors' choice, is a critically acclaimed and easy to use app for creating catalog of your possesions using your Mac
Catalog your books, movies, music, video games, gadgets, and more. Delicious Library helps you create a comprehensive inventory, share it with friends, and get holistic recommendations based on your collector profile. Scanning is easy: simply hold barcodes up to your webcam, and items appears on...
Keepmark is a desktop, privacy first documents organizer. You can organize with it your files, email, bookmarks, tasks, news, and other resources. Its available for Windows, Linux and Mac. Its also an efficient solution for finding your resources by names, meta-data and document content.
You can separate your content into independent workspaces (like home, work, or dedicated to your projects). Browse your documents in tree structured folders, or as flat list of tagged documents; create custom categories with set of filters and share your documents via email.
Keepmark can replace your note taking app - you can create notes in markdown format (like in `Evernote) and keep them locally, or synchronize by WebDav or cloud services (like Dropbox, Gdrive).
In Keepmark you can keep your tasks and TODO lists and link them with your documents; add notes and related people to documents; fetch your emails from your email account and bookmarks from your browser and manage them in one cross platform application.
DEVONthink is designed to manage and keep in order all those disparate pieces of information so important to your work or studies. As you become more experienced with DEVONthink and its easy, intuitive interface you will quickly find more exciting ways of using your data.
Obsidian is a note-taking app that helps you create and maintain a knowledge graph. It encourages non-linear thinking, allowing you to jump from one idea to another without any friction. You can make connections between notes easily, creating a wiki-style link between them. This makes it easy to navigate between notes and see how they are related.
One of the best things about Obsidian is that it gives you complete control over your data. All your notes are stored in a local folder of Markdown files, which means you own all your data. You can keep it secure and private, without having to worry about any third-party access.
The app also has a flexible plugin system that you can customize to your needs. You can enable the plugins that matter to you, such as the in-app PDF viewer or the audio player. Obsidian also allows you to embed multimedia files like images and audio using the ![[image.png]] syntax.
Overall, Obsidian is a great app for anyone who wants to organize their thoughts and ideas in a non-linear way. It is perfect for students, researchers, or anyone who needs to keep track of a lot of information.