In addition to the core Apache module, Rivet provides a number
of Tcl packages that include potentially useful code.
commserver is a package providing a server that can be
used for IPC. Still experimental. Requires the comm package
dio is a database abstraction layer.
dtcl is a compatibility package for mod_dtcl
form - for creating forms.
rivet - some additional, useful routines.
calendar - a package providing a simple configurable calendar generator