* unlimited, freeform, ordered hierarchical organization of your information items (in a tree);
* instant, single-click item viewing and editing;
* 6 built-in types of information items;
* item labels can have different colors and formatting;
* items may be assigned arbitrary icons in the item tree (free icons included);
* tree view shows item modification date and item type, in addition to icon and label;
* 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;
* data type plugin interface for adding new data types;
* importer and exporter plugin interfaces for defining new 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 interface.