Tanach The Hebrew Bible, the Tanach: The Unicode/XML Westminster Leningrad Codex.
Backup site ( Local mode only) :
Secure personal archive Cryptographic tools. *
Secure storage of data, password generation from noise, file hash calculation, and file cryptography.
Amateur radio

The pages marked "*" include downloadable Java applications as .jar files.

They require the installation of the Java Runtime Environment (JRE) to run.