Smereka is a freeform extensible database tool for personal information management, data mining, project management, collecting notes & more. It allows you to organize your data in an hierarchical, searchable database that is stored in a single file.

Instantly add, view, edit, rearrange, export and import information items of 7 built-in types - text, formatted text, webpage, file attachment, folder, reference, reminder. Extendable with plugins.