From PhatWare Corp:
HPC Notes Palm OS Edition is a powerful notes organizer for Microsoft Windows 95/98, Windows ME, Windows NT 4.0, and Windows 2000 and handheld device powered by Palm OS. You can create notes and provide them with type, subject, creation and modification date, which helps to find required information quickly and easily.
With HPC Notes you can search for specific text in a specific field and sort notes by type, date or subject. You can protect notes from unauthorized access with a password and send e-mail messages directly from the Note Editor. The intuitive, easy user interface lets you start using the program within minutes. You can find a detailed description of the commands, dialog boxes, interfaces features, etc., in the HPC Notes on-line help. HPC Notes Palm OS edition also includes conduit that allows notes synchronization between the mobile device.