- Instructions on how to use PortaBase; this is a copy of PortaBase's online help. It is also available in Czech, Japanese, traditional Chinese, and French (the French translation is still in progress).
- Notes on the implementation and usage of encryption in PortaBase.
- A technical description of the file format used by PortaBase.
- Documentation on the XML format used by PortaBase, and some tools that use it.
- Information on how to translate PortaBase into a new language.