PlugUI is a sysadmin Web interface for small ARM-based devices running Arch Linux ARM. It will run on other distributions, but the package manager is geared to use pacman.
Fusiondirectory is an infrastructure manager. It allows you to manage users, groups, services, servers, workstations, and the deployment of operating systems and software. All these operations are feasible from a Web interface.
A configuration tool for managing Linux kernel packet filtering rules of the nf_tables packet filter.
Protocol Buffers for R6RS Scheme.