Great for:
★ Browsing, tagging, viewing and editing of your local files directly in the app without the need of external applications
★ Creating and managing notes and web snippets (like in Evernote® but completely offline)
★ Creating your personal wiki system

Key Features:
★ Basic file and directory management
★ File tagging based on the files names -> extremely portable across devices and platforms
★ Integrated PDF viewer
★ Integrated MHTML and MHT viewer
★ Integrated MD, Markdown viewer
★ Advanced WYSIWYG HTML5 editor
★ Simple text and source code viewer and editor based on codemirror, supporting most of the common programming languages

What is TagSpaces?
★ File manager, which allows you to navigate and organize your local files with the help of tags.
★ An extensible platform providing a consistent, cross-platform user interface for your files.
★ A purely offline running application, which is internet independent.

TagSpaces is available for free as native application for Windows, Mac OS X, Linux, as Chrome extension and also as Firefox addon.