* unlimited, freeform, ordered hierarchical organization of your information items (in a tree); * instant, single-click item viewing and editing; * 7 built-in types of information items: text, formatted text, folder, webpage, file attachment, reference, reminder; * item labels of different colors and formatting; * user icons in the item tree (free icons included); * tree view shows item modification date and item type; * blog-like tag support; * revisions of items can be saved to preserve entire history of edits; reverting to any prior revision is possible; * reversible delete and undelete of items (recycle bin); * single-click preview of revisions and deleted items; * transparent indexing and instant fulltext search (across all data types including file attachments); * intelligent import of disk files and folders; * export item/branch to files; export item/branch to a new database; * drag-and-drop item operations (copy and move of items and branches using your mouse) - on single or multiple selection of any size or depth; * clipboard item operations (cut/copy/paste within a database or between databases - preserving tags, revisions, icons etc); * easy items importing from other programs - no window swtiching required; * you can edit multiple items at once; when you're done, review and save the modified items in a single window; * single-file data storage for database portability; * plugin interface for adding new data types, import and export operations; * user data backup and automatic error reporting; * compressed data storage yielding small database files; * fast operations regardless of the database size; * SQLite database format widely supported by third-party database management tools; * periodic update checks; * detailed user manual; * mainstream, friendly Windows interface.