There are no individual patterns in this post, only complete sets, with each set containing anything from 3 patterns all the way up to 100, and are available in a variety of popular formats: .eps, .ai, .png, .pat, .psd and .jpg.
You will find all kinds of varied patterns, such as fabrics, geometric shapes, flowery, retro, vintage, grunge, swirls, paper, dots, lines… and much more. And if all that is not enough we have also collected a selection of the best resources for you to dicover even more seamless backgrounds.

Programming & Scripting Languages: ActionScript :: Ada :: AJAX :: C :: C# :: C++ :: CFScript :: Clojure :: COBOL :: ColdFusion :: Common Lisp :: Delphi :: Emacs Lisp :: Erlang :: F# :: Factor :: Fortran :: Haskell :: Io :: J :: Java :: JavaFX Script :: JavaScript :: Lisp :: Lua :: MATLAB :: Objective-C :: Objective Caml (OCaml) :: Pascal :: Perl :: PHP :: Prolog :: Python :: R :: Ruby :: S :: S+ :: Scala :: Scheme :: Server Side Includes (SSI) :: Smalltalk :: Standard ML (SML) :: Tcl :: VB.NET :: VBScript :: Visual Basic (VB)
Markup Languages: CSS :: CSS 3 :: DocBook :: HTML :: HTML 5 :: JavaServer Pages (JSP) :: Markdown :: MathML :: Schematron :: Textile :: XAML :: XHTML :: XML :: XPath :: XSLT
Query Languages: LINQ :: PL/pgSQL :: PL/SQL :: SQL :: T-SQL :: XQuery :: Yahoo! Query Language (YQL)
Libraries & Frameworks: Adobe Integrated Runtime (AIR) :: ADO.NET :: ASP :: ASP.NET :: ASP.NET MVC :: Blueprint CSS :: CakePHP :: CodeIgniter :: Django :: Dojo Toolkit :: Drupal :: Enterprise JavaBeans (EJB) :: Ext JS :: Framework One (FW/1) :: Fusebox :: GNU Readline :: Google Web Toolkit (GWT) :: Grails :: Hadoop :: Hiccup :: JavaServer Faces (JSF) :: Joomla! :: jQuery :: jQuery Validator :: JSTL :: Kohana :: KumbiaPHP :: Lift :: Lime Testing Framework :: Magento :: Microsoft .NET Framework :: MODx :: MooTools :: NetBeans Platform :: NumPy :: OpenGL :: OpenLayers :: OpenSSL :: Oracle ADF :: Papervision 3D :: Play Framework :: Prototype :: Pygame :: Pylons :: rSpec :: Ruby on Rails :: Scriptaculous :: SimpleTest :: Smarty :: Spring :: Symfony :: Textpattern :: TYPO3 CMS :: Vaadin :: Watir :: web2py :: WebGL :: wxWidgets :: Yii PHP Framework :: YUI :: Zend Framework
Operating Systems: BackTrack :: Debian :: FreeBSD :: IBM AIX :: Kubuntu :: Linux :: Mac OS X :: Microsoft Windows :: OpenBSD :: OpenWrt :: Unix :: Windows Server 2008 :: Windows Vista :: Windows XP
Version Control: Bazaar :: ClearCase :: CVS :: Git :: Mercurial :: Perforce :: Subversion (SVN)
Servers: Apache :: .htaccess :: IBM Lotus Domino :: IIS :: Microsoft Exchange Server :: Resin
Databases: Cassandra :: CouchDB :: DB2 :: Firebird SQL :: Informix :: Ingres :: Microsoft Access :: Microsoft SQL Server :: MongoDB :: MySQL :: Oracle :: PostgreSQL :: Redis :: SQLite :: Sybase
ORM: ActiveRecord :: Doctrine :: Hibernate :: NHibernate :: Propel
Blogs: Blogger :: Movable Type :: TypePad :: WordPress
Websites: Ask.com :: del.icio.us :: Digg :: Facebook :: Flickr :: Gmail :: Google :: Google Adwords :: Google Buzz :: Google Docs :: Google Maps :: Google Reader :: LinkedIn :: MySpace :: Rambler :: Reddit :: Remember the Milk :: Shopify :: StumbleUpon :: Twitter :: Wikipedia :: Yahoo! :: Yandex :: YouTube
Text Editors: ed :: Emacs :: E Text Editor :: MicroEmacs :: TextMate :: TextPad :: Vi :: Vim :: Vimperator :: x-emacs
Applications: 3D Studio Max :: AAV ColorLab :: Adobe Acrobat :: Adobe After Effects :: Adobe ColdFusion Builder :: Adobe Contribute :: Adobe Dreamweaver :: Adobe Fireworks :: Adobe Flash :: Adobe Flash Builder :: Adobe Framemaker :: Adobe Illustrator :: Adobe InCopy :: Adobe InDesign :: Adobe Photoshop :: Adobe Photoshop Elements :: Adobe Photoshop Lightroom :: Adobe Premiere Pro :: Adobe Soundbooth :: Aperture :: Apple Mail :: AppleWorks :: AsciiDoc :: AutoHotKey :: Blender :: Capistrano :: Cinema 4D :: Coda :: Eclipse :: Emacs Speaks Statistics (ESS) :: Evernote :: Fgdump :: Final Cut Pro :: Firebug :: Front Row :: GIMP :: GNU Debugger (GDB) :: Google Chrome :: Google SketchUp :: Google Talk :: Hping :: iCal :: IDA Pro :: IntelliJ IDEA :: Internet Explorer :: Intuit Quickbooks :: Ircle :: iTunes :: Keynote :: Lotus Notes :: LyX :: Macromedia Freehand :: MacSpeech Dictate :: Maple :: Mathematica :: MediaWiki :: Metasploit :: Microsoft Entourage :: Microsoft Excel :: Microsoft Expression Blend :: Microsoft FrontPage :: Microsoft InfoPath :: Microsoft Office :: Microsoft OneNote :: Microsoft Outlook :: Microsoft PowerPoint :: Microsoft Project :: Microsoft Publisher :: Microsoft Silverlight :: Microsoft Visio :: Microsoft Visual Studio :: Microsoft Visual Web Developer :: Microsoft Word :: mIRC :: Mozilla Firefox :: Mozilla Thunderbird :: MPlayer :: Mutt :: Nessus :: NetBeans IDE :: Netcat :: Nmap :: Octave :: OllyDbg :: OpenOffice.org :: Opera :: Oracle SQL*Plus :: Outlook Express :: Pages :: PGP :: PowerShell :: QuarkXPress :: Quicksilver :: Robocopy :: Rpad :: rsync :: RubyMine :: Safari :: Sage :: Sage Peachtree :: SAS :: SharePoint Server :: Skype :: Stata :: WinDbg :: Wireshark :: XChat :: Xcode :: Xmonad
Mobile Applications: FourSquare
Security: SQL Injection :: XSS
Networking: Border Gateway Protocol (BGP) :: Cisco IOS :: EIGRP :: First Hop Redundancy :: Heartbeat :: IEEE 802.11 :: IEEE 802.1X :: Internet Protocol (IP) :: IPsec :: IS-IS :: Junos :: Multiprotocol Label Switching :: Networking :: OSPF :: Point-to-Point Protocol (PPP) :: Ports :: Quality of Service (QoS) :: Spanning tree protocol (STP) :: Subnetwork :: TCP/IP :: Virtual LAN (VLAN) :: Virtual Private Network (VPN) :: WLAN
Math: Algebra :: Calculus :: Linear Algebra :: Trigonometry
Methodologies: Agile :: Test Driven Development (TDD)
Other: 960 Grid System :: Access Control List (ACL) :: Accessibility :: Adobe Apollo (AIR beta) :: Adobe Flex :: Android :: apt-get :: Arduino :: ASCII :: awk :: Bash :: BPMN :: Character Codes :: Check Point Firewall-1 :: chmod :: Cloud Computing :: Cluster :: Colors :: Compass :: Compter Hardware :: Country Codes :: Crontab :: cURL :: dbshell :: Design Patterns :: dig :: Disk Partitioning :: DOM :: DOS :: dpkg :: DTD :: esxtop :: Exim :: ExpressionEngine :: Fastboot :: FFmpeg :: Fonts :: Freenode :: FTP :: Funny :: fw monitor :: GNU Make :: Gnuplot :: Google Analytics :: Google Voice :: Google Wave :: grep :: Grid Engine :: HTML Entities :: HTTP :: Incanter :: Internationalization (I18N) :: Internet Relay Chat (IRC) :: iPhone :: iptables :: jQTouch :: Konqueror :: Korn Shell (ksh) :: Language Codes :: LaTeX :: ldapsearch :: Linode :: Marketing :: Microformats :: Mobile Applications :: mod_rewrite :: NetApp :: NetHack :: OAuth :: Org-Mode :: ParEdit :: Performance :: Programming :: RAID :: RDF :: RDFa :: Regular Expressions :: Repo :: ReSharper :: Reverse Engineering :: rpm :: RSS :: Ruby Javascript (RJS) :: Scalable Vector Graphics (SVG) :: screen :: Scrum :: Security :: sed :: SEO :: Shoulda :: Slicehost :: snmpget :: snmpwalk :: Social Media :: Sphinx (documentation) :: Spring Web Flow :: Sprinkle :: SSH :: SSL :: ssldump :: tar :: tcpdump :: Testing :: TeX :: Thematic :: Top-Level Domain (TLD) :: TrixBox :: Tweener :: txt2tags :: Typography :: Ubercart :: UML :: Unicode :: urpmi :: Usability :: UTF-8 :: VGAM :: Virtualization :: Visual Basic Editor (VBE) :: Visualization :: VMware ESX :: VMware Infrastructure 3 :: VMWare VI Toolkit :: VMware vSphere :: VOIP :: Wallpaper :: Web Design :: Website Launch :: Web Standards :: Win32 :: WPF :: x86 :: Xen :: XML Schema (XSD) :: XPather :: Yahoo! Search BOSS :: yum :: Zelig :: Zen Coding :: ZFS :: zypp