Tabbed notebook with Rich Text editor, multi-level tree notes. Ideal for free-form or structured information.

Stores many notes within one file. Each note can contain a hierarchical tree of topics.

Powerful editing and formatting functions. Convenient and powerful search, including searching for text in all notes and boolean (AND/OR) search.

"Virtual node" feature allows you to edit files on disk as if they were part of your KeyNote file. Macros, templates, plugins, printing. Ability to send notes via email. Very fast switching between notes and files. Fast, responsive and easy to navigate interface.

Extremely configurable interface and behavior. Files can be protected with secure, strong encryption, using IDEA or Blowfish algorithms. User-configurable categories and icons. Text highlighting, word expansion glossary (auto-correct), bookmarks, expression evaluation. Import and export: text, RTF, HTML, TreePad.

Clickable hyperlinks to Internet sites or local files. Clipboard capture, user-defined styles, drag-and-drop operations. Integrates with MS Office spellchecker and the freeware WordWeb thesaurus. Freeware, open-source.