Portals

All-in-one (national) portals including guides, news, links and forums

Startrek.com
The official site, which is extremely poorly maintained after the staff has been fired.

The Star Trek Wormhole
Well-designed compilation of links. Unfortunately with rather few recent updates.

Star Trek NL
Dutch site (in English) with TV and video news, plus a Trek database and community.

U.S.S. Kyushu (Japanese)
Japanese Trek portal and community.

Star Trek Databas (Swedish)
Huge and well-designed Swedish database with information on just everything.

Star Trek Sickbay (Czech)
Expansive Czech site with news, illustrated episode guide, database and various other features.

Trekkies.cz (Czech)
Czech Trek portal with always recent news.

Voyager Center (German)
Big German Trek portal, community and database.

Mundo Star Trek (Spanish)
Spanish Trek portal with a large database and episode guide (including TAS).

Star Trek Centar (Croatian)
Croatian Star Trek guide and database with Trek news and a community.

Webtrek Italia (Italian)
Italian Trek portal and community.

Communities

Message boards, chatrooms, fan clubs, conventions

The Trek BBS
The largest and perhaps most influential Trek bulletin board on the web.

Flare Sci-Fi Forums
Great Trek community - the place where the starship experts meet.

Trek United
Fan community dedicated to bringing Star Trek back to the screen.

The Omega Sector BBS  
Busy but friendly message board attached to TrekCore.

Outpost 10 F
Large science fiction community with several message boards.

StarTrekForum.de (German)
One of the most important German message boards.

Fedboard (German)
Message board maintained by leading German Trek sites.

Starfleet
Home to the probably largest Trek fan club.

Nitcentral
Organization committed to finding errors in Star Trek and other fiction.

News

Sites featuring daily Trek news or regular newsletters

The Trek Movie Report
Always the latest news on the upcoming feature film and more.

TrekToday
Daily updated Trek news site. Features episode guides and reviews too.

Trekweb.com
Important news and community site, with several other features such as episode guides.

Lower Decks
Formerly known as Section 31, this is now a good place for Trek and other sci-fi news.

TrekZone Network (German)
German news site with regular updates and many other features.

SF Radio (German)
Science fiction web radio featuring the long-lived "Trekminds" broadcast.

Episode Guides

Information, summaries and reviews of the six series and the movies

Star Trek - Official Movie Site
See the trailer and discuss in the forum.

Jammer's Reviews
Jamahl Epsicokhan's detailed reviews of TOS, DS9, Voyager and Enterprise.

The Cynics Corner
DS9, Voyager and Enterprise reviews by David E. Sluss with special attention to clichés and continuity.

The Agony Booth
This site is not restricted to Star Trek, but among several movies it scrutinizes the worst Trek installments and why they failed in a cynical yet mostly civilized manner. 

Kethinov - Star Trek Reviews
Searchable database of Star Trek reviews.

Chrissie's Transcripts Site
Transcripts of all episodes of all series and all movies. Very useful for canon analysis.

Strekonline.com
Guide to the five series and the movies, with assorted information and screen caps.

Trekguide.com
Concise episode guides of all series with useful extra information.

Trekkieguy
Well-done guide to TOS with image galleries and song lyrics.

Steve's Star Trek: TOS Site
Has an episode guide, a collection of high-quality screen caps and several unique Flash animations.

79 Jewels 
TOS episode reviews with new insights.

Star Trek Animated
Formerly a part of Main Engineering, this is Kail Tescar's excellent site about TAS.

Guide to Animated Star Trek
Comprehensive site about the almost forgotten Trek by Curt Danhauser. Now with a full new episode!

Star Trek: The Next Generation
The classic TNG episode guide. Still worth a visit after twelve(!) years.

Big Bill's STTNG Stuff
TNG nitpicking.

DS9 Encyclopedia & Lexicon
The most comprehensive database about DS9 I have found on the web. Beware: pop-up hell!

Star Trek Voyager Info
Concise database, covering all aspects of the show.

Janet's Star Trek Voyager Site
Colossal collection of Voyager facts, screen caps and everything else you wouldn't even think that it exists. The first place to go to for anything Voyager.

Linda's Voyager Page
Extensive Voyager site with episode guide, databank and image gallery.

Delta Blues
Jim Wright's detailed transcripts and reviews of Voyager episodes.

Databases

Categorized information about various topics in one site

Memory Alpha
This is an open Star Trek reference, a wiki web written collaboratively by the readers. It has grown to the largest database on canon Trek and the No. 1 Trek site in the world.

Memory Beta
Extensive wiki reference for licensed Star Trek works, including novels, comic books, RPG sourcebooks, video games.

Star Trek Expanded Universe
Wiki reference for Trek fan fiction of any kind.

Star Trek Dimension
Christian's site is one of the best. Home to the fascinating cartography, LCARS database, multimedia and much more. Now hosted by EAS.

Star Trek Minutiae
Dan Carlson's site keeps the promise of its title. Home to Trek humor, various write-ups and other features.

LCARS: Federation Databank
Sean's near-legendary databank with a great LCARS interface and just too much content to list here.

Belgarath Silverthorn Star Trek Domain
Very good database on various topics. No longer updated though.

MJ's Star Trek Website
The classic among the databases with information on various topics. No longer updated.

Green Mole (German)
Originally created for a fan fiction series, the site has grown to a reliable database on various topics.

StarTrekArchiv.com (German)
Large database with interactive episode guide, downloads and pictures. Great site design.

Das große Star Trek Lexikon (German)
Comprehensive A-Z database that is fun to browse.

UFP Info Terminal (German)
Compact and easy-to-use LCARS terminal with loads of information.

Star Trek Lives (German)
Database with a great deal of information and a very pleasant site design.

UFPCroatia (Croatian)
Information on all aspects of Stars Trek, humor, downloads and regular news. Exceptional site design.

HyperTrek (Italian)
Exhaustive and frequently updated database and episode guide with lots of trivia.

Zonatrek.es (Spanish)
Huge and heavily illustrated database and many other features.

Cardassia Primera (Spanish)
Concise guide to Trek with some downloads.

USS Phoenix (Polish)
Nicely designed Polish Trek database with many sections, including some non-canon stuff.

Star Trek PM714 (Czech)
Illustrated database on episodes, races, ships, books and various other features.

Trekker Reactor
LCARS Flash database. A bit playful but well-crafted.

Krillmeed's Trek Site
Database covering virtually every aspect of the Trek Universe.

Startrekkie.com
Pleasantly designed site with a bit of everything: images, bloopers, jokes, fan art, etc.

Star Trek LCARS Book & Episode Database
Comprehensive book and episode guide, plus tons of scans of ships schematics.

Star Trek Stages History
Collection of floor plans of the Star Trek stages at Desilu/Paramount.

Star Trek Soundtracks
Everything about the music in the episodes and movies.

Multimedia

Image galleries, sound clips, episode trailers, software

TrekCore
Built on the ruins of Trekpulse, this is a frequently extended episode guide and a gigantic screen cap archive. Fantastic site design!

Ariane's Star Trek Gallery
Thousands of screen captures, including those from the latest movie.

Star Trek Episodengalerie (German)
Tons of screen caps from TOS, TNG and Voyager. Has annoying ads though.

ST-Bilder.de
Huge gallery of pictures. Consists of well-known reference pictures, non-canon materials as well as new stuff.

Final Frontier Media
Site with a variety of videos that are available as FTP downloads.

The Computer Core Dump
Nifty collection of images and data, fast and easy to browse.

LCARS Interface
Has a fabulous collection of accurate emblems and bridge layouts.

Cmdr Tomalak's Trek Animations
Has a variety of animated GIFs and fun stuff.

Adge's Star Trek LCARS Site
Features a general database and many animated LCARS screens.

Okudagrams.com
Several high-quality graphics for download and other features, partially under construction.

Bennisoft LCARS Software
Download an LCARS text editor, file manager, media player, etc.

Viking Soft (German)
Has a number of nicely designed LCARS programs.

System 47
Don't miss this fantastic LCARS screensaver!

The Star Trek MIDI Page
Has MIDIs, CD reviews, and a tribute to Vic Fontaine.

RPGs

Role playing games

Bravo Fleet
One of the largest RPG groups in the web.

Sixth Fleet
Large RPG group with an extensive website. A successor of Tango Fleet.

Alt.StarFleet.RPG
Long-standing and well-maintained RPG group.

A Call to Duty
RPG group with a well-designed interface and a solid technical database.

United Confederation Of Interstellar Planets
Large simm group with various features and services.

Borderlands
Online RPG set at the border of the Delta Quadrant.

Books & Fan Fiction

Sites about Trek-related literature, with fan stories or films

The Complete Starfleet Library
Huge compilation with information on every Trek book ever published.

Orion Press
Besides a big TOS fan fiction collection, this site also features remarkable articles and interviews. 

Psi Phi
Reviews of episodes and books.

Star Trek: The Breen War
Fan fiction project involving 3D artwork. Developed at the SCN Forum and hosted at EAS.

Star Trek: Phase II
Formerly known as Star Trek New Voyages, this is an ambitious and professionally organized fan film project.

Star Trek: Intrepid
Ongoing fan film project. The episodes may be viewed or downloaded in different formats.

Star Trek: Hidden Frontier
Long-standing series project with downloadable episodes. 

Starship Exeter
Well-done fan episodes set in the TOS era. Only viewable as stream.

Starship Farragut
Another fan series set in the TOS universe, with downloadable episodes.

Star Trek: Cloak
Animated sequel to TOS. A work in progress, but looks very promising.

Star Trek Endeavour (German)
Fan fiction set after the Dominion War. Excellent site design.

TrekNation (German)
Excellently programmed fan fiction archive.

The Trek Writer's Guild
Huge collection of fan fiction.

Star Trek: Fan Fiction
Another big fan fiction site with stories by over 100 authors.

Star Trek Andromeda
Various stories by Katarzyna Marcinkowska.

Epiphany Trek
Collection of stories by Garry AKA Phoenix.

Star Trek Voyager: Lower Decks
Voyager fan fiction collection with a large database.

Steam Trek
Weird, but incredibly detailed alternate universe fiction. Imagine Britain ruling the Sol system with steam-powered aetherships.

Bernd Felsberger - Welcome To My Universe
Listen to samples of Bernd's Trek-related songs. Refuses to work with Firefox.

Games

Mods, patches and discussion about Trek games

Star Trek Gamers
Large resource site for various games.

Star Trek: Legacy Files
Site about Star Trek: Legacy, with many downloads and frequent news.

Armada Fleet Command
Large resource site for Armada 1 and 2.

Elite Force Files
Site for Elite Force 1 and 2, lots of downloads and info.

BCFiles.com
Provides mods, patches and other downloads for Bridge Commander.

Star Trek Online
The big Star Trek MMORPG by Cryptic, back on track with a new site.

Humor

Cartoons, parodies and other fun stuff

Stone Trek
The incredibly funny cross-over of Star Trek and the Flintstones in high-quality flash movies.

South Trek
It's exactly what the name suggests. And it's hilarious.

20 Questions - Star Trek
Teach the game engine your Trek trivia knowledge.

Star Traks Nexus  
Huge archive of Trek parodies.

Star Trek: The Most Important Voyage
Affectionate TOS parody.

Five-Minute Voyager / Enterprise
Hilarious parodies of recent episodes.

Actors & Characters

Official and fan-made sites about our heroes (and villains)

Uhura.com
Nichelle Nichols' official website.

Marina Sirtis
Official website of the actress.

Nanavision
Nana Visitor's official website, nice web design.

Jerioholics
Fan site with lots of pictures and information about Jeri Ryan.

Designation: Seven of Nine
Nicely designed fan site with a bit of everything.

Linda Park
Official site. Some sections still under construction.

Linguistics Database
Nifty site about Hoshi Sato, with lots of fan art and fan fiction.

Sarek and Amanda's Pictures and Links
Various pictures, stories and links that deal with Vulcan's favorite couple.

Williamshatner.com
The official site, with many features and frequent news.

Spocklives.com
Handmade website with all kinds of information and fandom stuff on Spock.

Spock's Mind
Tribute to the character of Spock and to TOS.

Pavel Chekov Site
With close ties to the Walter Koenig Site, this is dedicated to the character and the actor, respectively.

George Takei Official Site
George Takei's website, frequent updates here.

Star Trek Excelsior - Captain Sulu
Very nicely done homage to Captain Sulu, his crew and the USS Excelsior. By Curt Danhauser, the creator of the Guide to Animated Star Trek.

Laura's Brent Spiner Site
Site with biography information, pictures and personal stuff.

Spot's Ode to Data
Extensive collection of information and images of Data.

Wil Wheaton dot net in Exile
His official blog, maintained by the man himself.

SidCity
Alexander Siddig's official site with all kinds of information, galleries, forum.

The Official Robert Beltran Site
As the name says. Comparably little Trek content.

Paris Nights
Everything about Tom Paris and Robert Duncan McNeill.

Trip Hammered
Fun site dedicated to the various mishaps and embarrassments of Trip Tucker.

Planets & Races

Sites about Klingons, Vulcans, Bajorans, Borg etc.

IZAN Home Page
Classic site about the lesser races of Star Trek in a pre-ENT view.

Gul Darhe'el's Spot (Spanish)
Well-done site about Cardassia and the Cardassians. Caution: nasty pop-ups!

Klingon Language Institute
Extensive reference for the Klingon language with examples and sound files.

Klingon Imperial Diplomatic Corps
Portal for Klingon culture. No images or media here, but many links.

Unimatrix 0-1 (German)
Information about the Collective, ships, drones, etc., plus a database on Voyager and Enterprise.

Marcus' Breen (German)
Excellently designed German site about the Breen.

Starship Reference

Data, schematics and images of canon starships

The STArchive
The famous complete list of all vessels, places etc. ever seen in Star Trek by D. J. Creighton. See the original!

Neutral Zone Starship Database
Thomas Schmid has tons of canon starship images, including every alien-of-the-week ship ever seen.

Federation Starship Datalink  
Hobbes' site with extensive information on Federation and alien ships and a special section on concept art.

Trekmania
The Red Admiral's all-round Trek site with special focus on starships. Features a massive collection of 3D designs and media files.

Starship Schematic Database
The most comprehensive collection of canon and non-canon schematics by Jim Stevenson.

Utopia Planitia Yards
Various schematics of the most prominent vessels. Outstanding site design. Also has a nifty real-time "starship builder".

Star Trek Starship Handbooks
Schematics and data of canon ships in comprehensive PDF files.

Vessels of Starfleet
Competent commented list of Starfleet ship classes by Steve Pugh.

Starship Class
Masaki Taniko's site, partner in the Wolf 359 project with many other features.

Gilso Star Trek Schematics
All kinds of starship schematics - canon, fandom, custom-made. Orthographic views, MSDs, deck plans, comparison charts.

Spike's Star Trek Page
Extensive database of starships and uniforms. Has a very useful gallery of LCARS screens and dedication plaques.

Star Trek Unnamed
Has a variety of high-quality schematics in a nicely animated yet somewhat confusing LCARS interface.

Star Trek Intelligence
Well-maintained database with some (good) speculation.

Starfleet Intelligence (German)
German site with a starship database and special information about aspects like fleets, ship losses or dedication plaques.

Charles Casimiro Design
Home of the precise Enterprise NCC-1701 schematics and of the right TOS hull font.

The Mighty Monkey of Mim’s Starship List
Annotated list of all canon Earth/Federation starships. A very useful reference.

The Unofficial Star Trek Fact Files Index
A-Z index to this weekly publication, errata, supplements by Gary J. Plus many reconstructed plan views of ships and articles about oddities.

Jeff Russell's Starship Dimensions
Marvelous website that allows to compare ships from different sci-fi universes by clicking and dragging them across the screen.

Treknology

Sites about the technology of Star Trek and its underlying science

Daystrom Institute Technical Library
Graham Kennedy's DITL is one of the leading Treknology sites. Everything about Starfleet and alien starships and their technology, essays, reviews and much more.

Jason Hinson's Physics and Star Trek Page
Read the fascinating treatises on subspace and warp travel, some patience and background knowledge required.

Joshua Bell's Star Trek Page
Home to the Technology FAQs and the Star Trek ASCII Art Archive.

ST-v-SW.net
This site by DarkStar aka G2k is listed here because of its well-researched Trek articles, rather than for discussing inter-universe battles.

Phasers
Lee Kelly's database of pictures and information on Starfleet's hand weapons is the best reference of its kind.

GTJLCARS.de (German)
Everything about Okudagrams: technology, pictures, Okuda biography, downloadable Excel LCARS theme.

Double Trouble with Tribbles
Interesting comparison of TOS: "The Trouble with Tribbles" and DS9: "Trials and Tribble-ations" from the perspective of a visual effects artist.

2D Design

Starships and other fan art on actual or virtual paper

ASDB.net
Well-written PDF files about starship design.

The Art of Lukas D'Anvil
Portfolio with amazing starship artwork, also featured at the JoAT.

Goodstuff 2
The fantastic 2D artwork of regular EAS contributor Gustavo. Comprises canon and self-designed vessels.

Vintage Starships
Images and write-ups of many well-known and new ships from fandom (including some from EAS and the Starfleet Museum).

Biraktes Shipyards
Large gallery of original starship designs.

Star Trek Star Ship Tactical Combat Simulator
Site showing numerous fandom designs such as from FASA with schematics, stats and comments.

Starfleet Military Reserves
Fan project outlining the future technology after the Dominion War. Not updated in a very long time.

USS Saracosta NCC-9737 (Spanish) 
Nice collection of ship schematics and other features. Some menus don't work with Firefox.

Star Trek Universe
Another collection of deck plans of canon and fan-made ships, shuttles and stations. 

Waxing Moon Design
Art site with very detailed deck plans of Enterprise NX-01 as a special feature.

Strategic Design Publications  
Offers high-quality deck plans of several vessels created by David Schmidt. 

Jackill
Collection of various blueprints of canon and fan-made ships.

stourangeau on deviantART
Portfolio of the USS Titan designer. Check out the Dark Mirror Universe! His professional website (Trek-less).

John Pearse's Art Gallery
Gallery of unusual artwork, hand-drawn, computer-generated, photography.

Galen82 on deviantART
Portfolio with excellent artwork, a good deal of it Trek-related.

Graphics by Mike Okuda
Portfolio of the famous graphic designer and his wife Denise.

3D Design

Starships and other stuff modeled in 3D

SciFi Meshes
Leading 3D modeling forum.

Star Trek Australia
Resurrected yet again: the probably biggest collection of Trek meshes and renderings.

3D Constructs
Thomas Pemberton's portfolio of fantastic 3D art, in affiliation with the Starfleet Museum.

The Phoenixium
3D art by Dak Phoenix. Exciting site design.

digitally efx'd geometry
3D portfolio including a wonderfully modeled and impressively presented slightly updated original Enterprise.

Suricata's Artwork Blog
Frequently updated blog with sketches, tutorials, 2D and 3D artwork by Tim Davies.

Millennium CGI
3D modeling site with a community, galleries and downloads.

Animated Pictures
Gallery of Trek-related and original starships.

Mateen's 3D Graphics
Large portfolio of diverse 3D starship designs.

Fesarius (Japanese)
Some 3D modeling artwork here.

Desktop Starships
Collection of starship images.

U.S.S. Enterprise Command Bridge
See a fantastic CG replica.

Project Enterprise  
Another CGI recreation of the Enterprise NCC-1701. The bridge is finished.

Evil Starship Factory
Portfolio with a special focus on classic and new (ST:XI) Federation design.

Liquid Eye Studios
Showcase of Brandon MacDougall's modeling work for Star Trek Voyager and Enterprise.

Darth Mojo
Blog of the noted 3D artist Mojo, where he posts unseen Trek renderings and other sci-fi stuff.

Max Gabl
Portfolio with various examples of his work for Star Trek Remastered.

Drex Files
Doug Drexler's blog, with lots of examples of his work and some fun stuff. Frequently updated!

Eavesdropping with Johnny
John Eaves' blog, with lots of examples of his work and some fun stuff. Frequently updated!

Modeling

Building scale models, props and other hardware

CultTVman's SF Modeling Page
Great collection of kit reviews, references, tips and links for the starship modeler.

Starship Modeler's Resource
Another great place for kit reviews and reference images.

Model Citizen Reference Guide
Wide variety of reference images for the Trek modeler by Roger Sorensen.

Model Builders Reference Vault
Close look at a number of rarely seen Star Trek studio models.

Star Trek Uniform Guide
Extensive reference guide with detail pictures and instructions for making uniforms and props.

HeroComm
Exhaustive site about the famous TOS communicator.

Trekprops.de (German)
Great reference to various props, how to build them and to improve their look. Superb web design.

Star Trek Auction Listings
Massive archive with pictures and descriptions of the "It's a Wrap" and other auctions of Trek props.

The Star Trek Prop, Costume & Auction Blog
Information and random thoughts on various auction items. Check out the "Cool Items of the Week". 

Trek Prop Zone
Information about Trek props and how to build them. Includes a forum (requiring registration).

Markus Nee's Science Fiction and Games
The best kitbashed models are those that don't look kitbashed. See here.

Erick's Models
These models, especially the reconstructions of actual studio models, are among the best I have ever seen.

Maritime Science Fiction Modelers  
Galleries of well-conceived starship kitbashes. Don't miss Stephen L.'s reconstructions of Wolf 359 and DS9TM models.

In Payne - Starship Models
Gallery of great modeling work.

Mike Trice's Star Trek Page
Some galleries of very good photos of various authentic studio miniatures.

Federation Models
Manufacturer and supplier of kits, conversion sets and decals.

Thomas Models
Resin kits of a great variety of Trek ships.

Ravenstar Studio
Manufacturer of original starship kits.

Starship Creations
Manufacturer of 1/1400 and 1/2500 scale resin starships for various Star Trek genre periods. Seems to be out of buisness.

Virtual Scratchbuilder
Larry Henoch's amazingly detailed collection of Micromachine-sized balsa wood models.

Ed Miarecki
New website, with more and better images than before.

Andrew Probert Homepage
Portfolio of the famous Star Trek design veteran.

Rick Sternbach Homepage
Information about U.S.S. Voyager and Rick's space projects.

Personal Sites

Trek fan sites or blogs without a specific focus

Trekplace
Greg Tyler's Collection of interesting articles and interviews with the forgotten heroes of Star Trek, like Franz Joseph, Bjo Trimble or Andrew Probert.

Forgotten Trek
Provides a look behind the scenes and at the would-be Trek such as Phase II.

Titan Fleet Yards
Harry Doddema's blog with starship designs and an illustrated list of all members of the Federation.

Andorian's Office
Nifty site by Kobi with a bit of everything: art, fan fiction, articles, caption competition, and more.

Blog.startrekmusings.com
Amusing commentary on oddities in Star Trek that no one may have spotted before.

Star Trek Ruminations
Blog with a couple of reviews and, as the title says, random musings.

After Thoughts
The new blog of Sebastian Prooth with various Trek-related entries.

Soul of Star Trek
Blog with reviews and other interesting articles.

Sheryl's Star Trek Site
Personal tribute to Star Trek.

Star Trek: The Fan Phenomenon
Series of essays on Star Trek, its philosophy and its fans.

Asking the Wrong Questions: Back Through the Wormhole
Inspiring article series.