Electronic Commerce - Electronic Commerce Credit Card validation, web storefronts, et al

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

Computer Supported Collaboration - Methods and software for cooperating and collaborating electronically. (Groupware)

Directories and Catalogging - Library and CD catalogs, phone books, bibliographies, et al

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

File and Version Management RCS, CVS, distribution, etc.

Text Editors and Word Processors Word processors, text editors

Persistent data storage, databases (data files, databases)

Numeric Data Visualization Numeric Data Visualization. Graphing equations and other data.

WWW robots and proxies Automatic processing of HTTP requests

Personal Information Management (calendars, contact managers, address books, et al)

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

World Wide Web HTTP, HTML, standards, browsers, transfer utilities, servers, et al.

Communicating Ideas Business presentation, typesetting, publishing, etc.

Images and Graphics Images and Graphics. Interactive edit, transform, et al.

Up to Activity specific - Gateway topic to software used in specific activities. (application software, business, professional, science, education, etc.)

Ned - Ned is an 'intelligent' information gatherer. Using IRC (soon to expand with other interfaces) you can communicate with Ned. {(L)GPL}

Other Applications and Utilities