Ski is an S/Key challenge response calculator, designed to be intuitive and feature-rich. Ski stores passphrases in the Keychain, automatically scans the pasteboard for challenges, and even supports Services!
Ski is an open source project distributed under the BSD License. Currently, the project is in need of:
Translators (German, Japanese, French, Italian, and Spanish)
Artist (for an icon/site art)
Tech writer (for documentation)
Want to help? Drop me a line: robert at blee dot org.
For access to source code, feature requests, etc., please visit the SourceForge.net project page.