SNeBU (Simple Network Backup Utility) is a backup system that supports incremental snapshot-style backups to disk-based storage. The project has been rewritten in C, and stores its backup catalog in an SQLite database. It features file level deduplication (including across multiple clients), compressed storage, incremental-forever snapshot style backups, simple setup, and utilizes standard TAR format. The client side consists of a simple shell script, which can be easily installed and adapted as needed. The server side is a single binary plus a config file, which can sit on a remote server and be accessed over SSH.
PYZ is a Z-Machine interpreter for playing interaction fiction files. Text adventure games written by Infocom, such as the Zork series, used a then-revolutionary virtual machine called the Z-Machine, which saved code space on the memory-limited computers of the 1980's. People today are still writing text games, now called interactive fiction, for the Z-Machine platform. PYZ includes a mode in which you can see the instructions being executed, turned on by the --trace option. A test suite, pyztest, tests all the instructions.
Enterprise Audit Shell (EAS) allows organizations to centrally audit and report UNIX shell access. Unlike Sudosh, the audit logs are sent to a centralized archive and reporting server. Client server authentication and encryption is handled by SSL. It was specifically designed for enterprise, commercial use.