Nothing beats pen and paper for speed, efficiency, portability , usability, economy, and ease of use. Having said that my backup tool for more complex informat

Nothing beats pen and paper for speed, efficiency, portability , usability, economy, and ease of use. Having said that my backup tool for more complex information, that is shareable, backed-up, and potentially contributable by others is my own personal wiki hosted on my own domain. Dokuwiki I recommend for ease of installation and use.