This page lists the categories and can be sorted by various criteria. Virtual categories are indicated by ^*.

You can sort each column by clicking on the header. e.g. click on Category to sort by category.

Category	Count	Description	Last Update
accessibility	27	Ports to help disabled users.	30 Nov 2017 15:50:34
plan9*	4	Software from the Plan9 operating system.	17 Aug 2017 18:06:43
zope*	253	Software related to the Zope platform.	30 Nov 2017 20:28:15
pear*	758	Utilities/modules that fall into the PEAR system.	05 Dec 2017 19:53:55
databases	1451	Database software.	05 Dec 2017 21:15:30
x11-drivers	54	X Window System drivers.	30 Nov 2017 06:13:35
wayland*	3	no description supplied	09 Sep 2017 20:24:12
elisp*	87	Things related to Emacs Lisp.	30 Nov 2017 15:50:34
net-p2p	165	Peer to peer networking software.	02 Dec 2017 11:08:42
linux*	240	Linux programs that can be run under binary compatibility.	04 Dec 2017 09:00:26
x11-wm	142	X Window System window managers.	30 Nov 2017 15:50:34
arabic	9	Ported software for the Arabic market.	02 Nov 2017 21:12:58
print	298	Utilities for dealing with printing.	03 Dec 2017 12:23:54
kld*	62	Kernel loadable modules.	30 Nov 2017 23:45:49
ipv6*	610	IPv6 related software.	05 Dec 2017 21:15:30
portuguese	15	Ported software for the Portuguese market.	04 Nov 2017 11:43:35
german	33	Ported software for Germanic countries.	05 Dec 2017 19:01:54
korean	40	Ported software for the Korean market.	21 Nov 2017 08:36:27
converters	221	Format conversion utilities.	30 Nov 2017 15:50:34
x11-clocks	55	X Window System based clocks.	03 Dec 2017 12:23:54
math	1004	Mathematical computation software.	04 Dec 2017 21:00:33
net	1684	Networking utilities.	05 Dec 2017 19:11:21
hamradio*	119	Software for amateur radio.	05 Dec 2017 09:00:27
windowmaker*	71	Ports to support the WindowMaker window manager.	05 Dec 2017 18:25:59
geography*	131	Geography related ports.	03 Dec 2017 20:34:57
parallel*	53	Applications dealing with parallelism in computing.	30 Nov 2017 06:13:35
finance	185	Monetary, financial and related applications.	05 Dec 2017 21:04:59
shells	51	Various shells (tcsh, bash, etc).	04 Dec 2017 16:59:20
ruby*	133	Software related to the Ruby language.	22 Nov 2017 23:35:56
net-mgmt	454	Network management utilities.	04 Dec 2017 18:54:39
ports-mgmt	79	Utilities for managing ports and packages.	05 Dec 2017 20:35:45
polish	21	Ported software for the Polish market.	30 Nov 2017 15:50:34
lisp*	38	Things related to pure lisp.	30 Nov 2017 06:13:35
x11-toolkits	327	X Window System based development toolkits.	04 Dec 2017 20:45:56
hebrew	8	Ported software for Hebrew language.	02 Nov 2017 21:12:58
gnome*	533	Components of the Gnome Desktop environment.	02 Dec 2017 09:22:02
scheme*	35	Software related to the Scheme language.	30 Nov 2017 06:13:35
gnustep*	100	Software for GNUstep desktop environment.	03 Dec 2017 12:23:54
tk*	79	no description supplied	30 Nov 2017 15:50:34
x11-fm	45	X Window System based file managers.	01 Dec 2017 07:19:54
kde-kde4*	182	no description supplied	01 Dec 2017 22:12:35
irc	149	Internet Relay Chat utilities.	03 Dec 2017 19:39:23
x11	590	X Window System based utilities.	04 Dec 2017 20:25:18
perl5*	5524	Utilities/modules for the PERL5 language.	04 Dec 2017 17:09:40
enlightenment*	28	no description supplied	30 Nov 2017 15:50:34
dns	270	DNS client and server utilities.	04 Dec 2017 13:56:32
mate*	38	no description supplied	28 Oct 2017 01:32:24
ftp	144	FTP client and server utilities.	03 Dec 2017 20:37:27
sysutils	1494	Various system utilities.	05 Dec 2017 21:51:11
audio	1055	Audio utilities - most require a supported sound card.	05 Dec 2017 18:25:59
kde-applications*	8	no description supplied	01 Dec 2017 07:04:07
astro	138	Applications related to astronomy.	03 Dec 2017 20:37:17
x11-servers	16	X Window System servers.	30 Nov 2017 06:13:35
kde-frameworks*	143	no description supplied	01 Dec 2017 07:19:54
spanish*	7	Ported software for the Spanish market.	04 Nov 2017 22:57:12
french	24	Ported software for French countries.	05 Dec 2017 19:01:54
lang	468	Computer languages.	05 Dec 2017 17:00:49
mail	847	Electronic mail packages and utilities.	04 Dec 2017 23:55:05
cad	129	Computer Aided Design utilities.	03 Dec 2017 19:20:35
multimedia	619	Multimedia software.	05 Dec 2017 18:53:42
ukrainian	11	Ported software for the Ukrainian market.	02 Nov 2017 21:12:58
afterstep*	25	Ports to support the AfterStep window manager.	30 Nov 2017 06:13:35
benchmarks	93	Utilities for measuring system performance.	02 Dec 2017 11:04:07
www	2895	WEB utilities (browsers, HTTP servers, etc).	05 Dec 2017 21:44:13
vietnamese	17	Ported software for the Vietnamese market.	08 Nov 2017 06:04:45
russian	43	Ported software for the Russian market.	05 Dec 2017 19:01:54
x11-fonts	196	X Window System fonts and font utilities.	30 Nov 2017 15:50:34
palm	16	Software support for the Palm(tm) series.	06 Oct 2017 11:18:36
java	141	Java language support.	02 Dec 2017 13:48:41
kde*	662	Software for the K Desktop Environment.	01 Dec 2017 22:12:35
haskell*	556	Software related to the Haskell language.	30 Nov 2017 06:13:35
archivers	317	Utilities for archiving and unarchiving data.	05 Dec 2017 15:56:04
security	1486	System security software.	05 Dec 2017 23:31:08
comms	237	Communications utilities.	05 Dec 2017 09:00:27
rubygems*	1544	Packages for the RubyGems system.	05 Dec 2017 16:44:09
science	255	Scientific software.	05 Dec 2017 19:15:49
graphics	1394	Graphics libraries and utilities.	05 Dec 2017 20:52:58
hungarian	10	Ported software for the Hungarian market.	02 Nov 2017 21:12:58
x11-themes	181	X Window System themes.	25 Nov 2017 20:34:37
misc	591	Miscellaneous utilities.	04 Dec 2017 09:00:25
python*	2846	Software related to the Python language.	05 Dec 2017 22:00:55
japanese	319	Ported software for the Japanese market.	05 Dec 2017 19:01:54
devel	6680	Software development utilities and libraries.	05 Dec 2017 20:27:27
textproc	1996	Text processing/search utilities.	05 Dec 2017 22:00:55
xfce*	78	Ports to support the Xfce desktop environment.	30 Nov 2017 20:36:35
editors	295	Common text editors.	02 Dec 2017 23:10:48
tcl*	82	no description supplied	16 Nov 2017 20:30:44
deskutils	311	Various Desktop utilities.	05 Dec 2017 13:51:27
docs*	63	no description supplied	31 Oct 2017 14:57:54
games	1362	Various and sundry amusements.	05 Dec 2017 19:56:37
emulators	260	Utilities for emulating other OS types.	05 Dec 2017 21:00:21
biology	132	Software related to biology.	05 Dec 2017 03:03:38
chinese	124	Ported software for the Chinese market.	05 Dec 2017 19:01:54
news	78	USENET News support software.	03 Dec 2017 12:23:54
net-im	228	Instant messaging software.	03 Dec 2017 08:25:32
port count:	31979	(62 categories)
Hmmm, I'm not so sure this port count is accurate. Dan Langille 27 April 2003