For programming languages, see Wikibooks:Userboxes/Programming.
For computer software, see Wikibooks:Userboxes/Software.

General

Code	Result	Users
{{User anti-drm}}	This user is against DRM.	Transclusions
{{User computers}}	This user is interested in computers	Transclusions
{{User netcensorship}}	This user trusts the Internet to route around censorship	Transclusions
{{User software geek}}	This user enjoys computer programming.	Transclusions

Messaging

Code	Result	Users
{{User aim}}	This user's AIM screenname is {{{1}}}.	Transclusions
{{User email}}	@ This user can be reached by email.	Transclusions
{{User google talk}}	G talk This user's Google Talk screenname is {{{1}}}.	Transclusions
{{User irc}}	This user chats on IRC.	Transclusions
{{User jabber}}	This user uses Jabber as {{{1}}}.	Transclusions
{{User msn messenger}}	This user uses MSN Messenger as {{{1}}}.	Transclusions
{{User skype}}	This user's Skype username is {{{1}}}.	Transclusions
{{User yim}}	Y! This user's Yahoo! Messenger screename is {{{1}}}.	Transclusions

Websites and services

Code	Result	Users
{{User 4chan}}	This user is a frequent poster at 4chan.	Transclusions
{{User deviantart}}	dA This user is a deviantART deviant as {{{1}}}.	Transclusions
{{User digg}}	Digg This user contributes to Digg.	Transclusions
{{User dmoz editor}}	This user is an editor at DMOZ.	Transclusions
{{User ebay}}	eBay This user buys and sells on eBay as {{{1}}}.	Transclusions
{{User fark}}	fark This user is a farker.	Transclusions
{{User flickr}}	f This user has a Flickr account as {{{1}}} .	Transclusions
{{User imdb}}	This user contributes to the Internet Movie Database.	Transclusions
{{User linkedin}}	Linkedin This user has a LinkedIn profile as user {{{1}}}	Transclusions
{{User openstreetmap}}	This user contributes to OpenStreetMap.	Transclusions
{{User phimatex}}	This user contributes to PhiMaTeX.	Transclusions
{{User slashdot}}	/. This user has a Slashdot account.	Transclusions
{{User uncyclopedia}}	This user is a proud contributor to Uncyclopedia.	Transclusions
{{User wiki}}	Wiki This user has a [{{{1}}} wiki].	Transclusions
{{User youtube}}	This user has a channel on YouTube.	Transclusions

Blogging

Code	Result	Users
{{User blog}}	This user maintains a blog.	Transclusions
{{User blogger}}	B This user keeps a blog at Blogger as {{{1}}}}.	Transclusions
{{User facebook}}	f This user maintains a Facebook profile as {{{1}}}.	Transclusions
{{User livejournal}}	LJ This user maintains a LiveJournal as {{{1}}}.	Transclusions
{{User myspace}}	This user has a profile on MySpace as {{{1}}}.	Transclusions
{{User twitter}}	t This user tweets on Twitter as {{{1}}}.	Transclusions
{{User wordpress}}	W This user keeps a blog at WordPress as {{{1}}}.	Transclusions
{{User xanga}}	Xanga This user maintains a Xanga blog at {{{1}}}.	Transclusions
{{User reddit}}	This user uses Reddit as {{{1}}}.	Transclusions

Search engines

Code	Result	Users
{{User google}}	This user uses Google as a primary search engine.	Transclusions
{{User msn}}	msn This user uses MSN as a primary search engine.	Transclusions
{{User wikipedia reference}}	This user uses Wikipedia as a primary point of reference.	Transclusions
{{User yahoo}}	Y! This user uses Yahoo! as a primary search engine.	Transclusions

Mail addresses

Code	Result	Users
{{User aol mail}}	AOL This user uses AOL Mail as a primary email service.	Transclusions
{{User gmail}}	This user's primary email account is with Gmail	Transclusions
{{User hotmail}}	This user uses MSN Hotmail as a primary email service.	Transclusions
{{User isp mail}}	ISP This user uses the email account provided by their ISP.	Transclusions
{{User own mail}}	OWN This user uses an email account with his/her own domain name.	Transclusions
{{User yahoo mail}}	Y! This user uses Yahoo! Mail as a primary email service.	Transclusions

Internet connection

Code	Result	Users
{{User lt 56k}}	<56k This poor user contributes using a dial-up connection slower than 56k.	Transclusions
{{User 56k}}	56k This user has a 56k modem connection.	Transclusions
{{User broadband}}	BB This user is contributing using a broadband connection.	Transclusions
{{User dsl}}	DSL This user contributes using a DSL connection.	Transclusions
{{User mobile broadband}}	3G This user contributes using a mobile broadband connection.	Transclusions
{{User wireless connection}}	This user contributes using a wireless connection.	Transclusions
{{User wireless demander}}	This user steals their neighbor's wireless internet connection.	Transclusions
{{User wireless supplier}}	This user allows their neighbors to use their wireless internet connection.	Transclusions