Task and Request Lists - TO DO lists, Action item lists, trouble ticketing, et al

Image Transmission Image transmission, facsimile, fax, et al.

Person to Person Communications Interpersonal Communications. IRC, BBS, email, paging, write, talk

Electronic Mail

Distributed Discussion Systems - Bulletin board systems, chat, conference, IRC, discussion

Usenet Protocol - Usenet Protocol (NNTP, NNRP, etc) and software (newsgroup readers, etc.)

Real-Time Conferencing real-time (multi-directional) discussion and data transfer, including Internet Relay Chat (IRC), Internet Phone, Videoconferencing

Up to Person to Person Communications - Interpersonal Communications. IRC, BBS, email, paging, write, talk

Up to Communications

The Perl Concept Engine - A pure-Perl implementation of the algorithms and data structures described in Douglas Hofstadter's "Fluid Concepts and Creative Analogies". {oss}

Hivemind Groupware Project - The Hivemind Groupware Project is a web-based groupware and project management suite for a small to medium size team, including such features as project/task tracking, time recording, and time & task reporting. Hivemind uses the Iaido web app fram {oss}

CMS - CMS (Content Management System) is a Perl-based groupware application that allows a group of persons to share documents via a web interface. Documents can be checked-in, checked-out, reserved, etc. {(L)GPL}

Collaborative School Community - The CSC Project is a system for collaboration and communication between the faculty and student body at K-12 school. Project elements include a homework submission and lookup database, class scheduler, and a web-based management interface. {(L)GPL}

Other Applications and Utilities