1. W3C Link Checker
  2. W3C Markup Validation Service
  3. HTML / XHTML / XML / WML Validator (Validome)
  4. Feed Validator for Atom and RSS
  5. Dans Tools - Online tools for users and developers. - .htaccess, CSS, JavaScript, ...
  6. New Robots.txt Syntax Checker: a validator for robots.txt files
  7. 1&1 Internet AG WebTool - Ladezeit-Check, HTML-Check, Link-Check, Meta-Tag-Check
  8. Check Browser Compatibility, Cross Platform Browser Test - Browsershots
  9. Colorblind Web Page Filter
  10. AWARE Center Homepage -- HTML Writers Guild - accessible web authoring resources and education center
  11. WebAIM: Web Accessibility for Designers
  12. WebAIM: WebAIM's WCAG 2.0 Checklist - for HTML documents
  13. WebAIM: Section 508 Checklist
  14. WebAIM: Color Contrast Checker
  15. WAVE Web Accessibility Tool
  16. Favicon Generator - and icon gallery
  17. Faviconer - Draw or Generate favicon.ico website icon
  18. favicon.ico Generator
  19. Free Online Icon Generator | Convert Image to *.ICO File
  20. HTTPDIFF
  21. Web Stuff - Delorie's HTML Authoring Services
  22. I want to: Web 2.0 applications, utilities and resources
  23. Firebug - Web Development Evolved - use Firefox to edit, debug, and monitor CSS, HTML, and JavaScript live in any web page
  24. Seobility | Kostenloser SEO Check für Ihre Website
  25. Kostenloser Backlink Checker » SEOkicks SEO Tools
  26. TIDE - Tiny IDE for small JavaScript programs, browser independent
  27. World Wide Web Consortium - Web Standards (W3C)
  28. Web Hypertext Application Technology Working Group (WhatWG)
  29. The Web Standards Project
  30. Rex Swain's HTTP Viewer - See exactly what an HTTP request returns to your browser
  31. bjellis Webwelt - Einstieg ins Webdesign
  32. PlanetHTML - Der einfachste Weg HTML zu lernen!
  33. SELFHTML
  34. SELFHTML: Navigationshilfen / Kurzreferenz: HTML
  35. SELFHTML: Navigationshilfen / Kurzreferenz: CSS
  36. HTML Reference (Tizag)
  37. CSS Property Reference (Tizag)
  38. HTML Help by The Web Design Group
  39. PlanetHTML - Der einfachste Weg HTML zu lernen!
  40. Web Page Design | Website Design | Website Designing | Web Site Design | Web Site Designing | Web Page Development | Web Development (web-source.net)
  41. W3Schools Online Web Tutorials
  42. HTML 4.0 Reference
  43. Character and entity references in HTML 4 (Jukka "Yucca" Korpela)
  44. Subotnik: Beiträge zu HTML, CSS und Netzkultur
  45. HTML Goodies
  46. Extensible Markup Language (XML) 1.0 (Third Edition)
  47. XML Tutorial
  48. DTD Tutorial
  49. XML.com: A Technical Introduction to XML
  50. XML.com: XML From the Inside Out -- XML development, XML resources, XML specifications
  51. XML Resources
  52. The XML FAQ
  53. Website Publisher - Guides, Tutorials, and Advice for Internet Publishers.
  54. Date & Time Formats on the Web
  55. Useful HTML Meta Tags - cache, no-cache, robots, refresh, content, keywords, description, expires, author, etc.
  56. HTML META Tags
  57. Geo Tag Elements
  58. GeoURL (2.0)
  59. || GeoURL re-loaded... ||
  60. Get Coordinate - Wiki Koordinaten ermitteln
  61. WITW using GoogleMaps Where In The World
  62. Tagzania - Tagging the planet
  63. plazes.beta - geotagged LAN, WLAN and WiFi zones
  64. BlockRocker - Geotagging tools for Flickr, blogs, YouTube, del.icio.us, ...
  65. Wikipedia:WikiProjekt Georeferenzierung - Wikipedia
  66. Geoinformationssysteme - Nomads
  67. Select Country Heavens Above, location database, latitude/longitude of towns
  68. GeoURL location resources
  69. Geolocation in Firefox
  70. ClustrMaps - Hit counter map shows locations of all visitors to your site - free
  71. RevolverMaps - Free 3D Visitor Maps
  72. Main Page - Google Mapki
  73. Free Map Tools
  74. Documents about WWW written or recommended by Jukka Korpela
  75. useit.com: Jakob Nielsen's site (Usable Information Technology)
  76. css Zen Garden: The Beauty in CSS Design
  77. mkaz.com : Xterm Colors
  78. Color Theory Tutorial by Worqx
  79. Colors on the Web - Color Theory for web designers - color combination, color wheel, color schemes - new pages with bells and whistles and waitings
  80. Color Wizard - Color Scheme Generator - Colors on the Web
  81. EasyRGB - The first RGB and COLOR search engine on the Web! - color matching, harmonies, calculator
  82. Color Blender - get midpoints between two colors
  83. 24 - full screen color picker
  84. milov.nl: bookmarklet: !usedcolors
  85. 4096 Color Wheel
  86. The DHTML Color Calculator
  87. ColorBlender.com | Your free online color matching toolbox
  88. COLOURlovers Coup.0 :: Colour Lovers
  89. kuler - Adobe's colour community tool, sadly needs Flash 9 and ActionScript 3
  90. Color Palette Generator from an image
  91. Color Picker
  92. Rainbow Words
  93. Grab Website Colors - Color Scheme Extraction Tool
  94. Dr. Web Magazin
  95. Weblehre - Informationen für den Webmaster
  96. O'Reilly Network's ONLamp.com -- web development, linux, apache, mysql, perl, php, python, bsd
  97. Die Goldenen Regeln fuer schlechtes HTML.
  98. WWW-Horrorkabinett
  99. Galerie des miesen Marketings - Übersicht - Zorno.de
  100. Jaganelli.de - die krankeste Hompeitsch im Intanet
  101. Die Endgültige Müllseite
  102. 404 Research Lab
  103. it's all lost and stoof - ibiblio's 404 page in ~200 languages
  104. Home of The Webalizer - a fast, free web server log file analysis program.
  105. AWStats - Free log file analyzer for advanced statistics (GNU GPL).
  106. Piwik - Web analytics - Open source
  107. openshift/piwik-openshift-quickstart · GitHub
  108. Goodbye Google Analytics. Hello Piwik. | The FreedomSponsors blog
  109. Social-Media-Buttons datenschutzkonform nutzen | c't - Shariff, Nachfolger von 2-Klick
  110. heiseonline/shariff · GitHub - privacy protected social network sharing buttons
  111. 2 Klicks für mehr Datenschutz | c't
  112. +1 Button | Google+ Platform for Web | Google Developers
  113. trash.net:faq:htaccess
  114. Documentation: Apache HTTP Server - The Apache HTTP Server Project
  115. mod_access - Apache HTTP Server - .htaccess Allow, Deny, Order
  116. What is .htaccess? - Apache .htaccess Guide, Tutorials & Examples
  117. Htaccess (askapache.com)
  118. THE Ultimate Htaccess from the askapache.com htaccess section
  119. Mod_Rewrite Variables Cheatsheet (askapache.com)
  120. Htaccess Rewrites - Rewrite Tricks and Tips (askapache.com)
  121. Stupid htaccess Tricks : Perishable Press
  122. Htaccess Tools - get help with your .htaccess files
  123. de.comm.infosystems.www.servers - FAQ
  124. Netcraft - What's that site running?
  125. W3Techs - extensive and reliable web technology surveys
  126. Spell with flickr

    Server Bits

  127. Icinga | Open Source Monitoring - Icinga 2, general-purpose monitoring application; rewrite of Icinga, fork of Nagios
  128. How Fail2Ban Works to Protect Services on a Linux Server | DigitalOcean

    Free Web Space & Image Hosting

  129. Free Webspace and Free Web Hosting Services
  130. FreeWebspace.net - The largest guide to free webhosting.
  131. MySQLDumper - Sichern von MySQL-Datenbanken (z.B. Foren, Gästebücher und Onlineshops)
  132. freeweb.de Tarif - 5GB/10GB, domain, PHP, mail
  133. Free Hostia: free php, mysql and domain hosting - 250MB/6GB
  134. Unsee — Free online private photo sharing - temporary image hosting for up to 1 hour, plus viewer gets the IP watermarked..
  135. ImageVenue - Image Hosting and Photo Hosting for bloggers, message board users and eBay sellers! - for hotlinking images <3MB, resizing option, no registration required, unlimited time, bandwidth and diskspace
  136. Bilder & Fotos hochladen, Image Upload, File Upload Center - hotlinking <4MB
  137. Photobucket.com Free Image Hosting - Online Photo Albums - Photo Sharing - for hotlinking images <250KB, automatically resizing, limited bandwidth and diskspace in free account
  138. Postimage.org - free image hosting / image upload - hotlinking <8MB, including upload for forums
  139. Kostenlos Bilder und Fotos hochladen - Pic-Upload.de - hotlinking <30MB
  140. ImageShack - Best place for all of your image hosting and image sharing needs
  141. Screenshot comparison - Make comparison of screenshots
  142. swoopshare - Save files on the web - store <500MB
  143. File-Upload.net - Ihr kostenloser File Hoster! - store <1000MB
  144. Load.to Uploadservice - store <1000MB
  145. Free file hosting. File sharing. File upload. FileFactory.com - store <2000MB

    Hoster

  146. Webhostlist.de
  147. Webhoster Webspace & Webhosting Vergleich
  148. Webhosting und Webspace - hostsuche Provider-Vergleich
  149. Hostsharing eG - OpenSource Webhosting: Home
  150. all-inkl.com
  151. Hallo, wir sind Uberspace - Uberspace.de
  152. Webseiten-Hosting mit Rundum-Schutz | JPBerlin – Politischer Provider
  153. Webhosting für CMS, Webshops, Server und SEO | webgo.de (war WebGo24)
  154. Hosting und Internetlösungen - OVH
  155. WebhostOne - The ONE you need! ++ Ihr Webhosting-Provider für Webspace, Reseller-Hosting, Managed Server und Domains
  156. Webhosting, Server, Housing, Colocation, Domains und Internet Access - artfiles
  157. Gutes Hosting zu günstigen Preisen - schwarzkünstler®
  158. Dein SSD Hosting zum Wunschpreis - Hostdream
  159. Simple Cloud Infrastructure for Developers | DigitalOcean

    CMS, Builder

  160. Open Source CMS Demos & Information - opensourceCMS - try before you install
  161. CMS Design Resource :: CMS Reviews, CMS Showcase, and Content Management Articles
  162. Open Source Content Management System List (perl, php, python, m4, java, etc) Blog API
  163. WebsiteBaker CMS | Open Source Content Management - easy CMS
  164. WebMake: Welcome to WebMake - simple CMS in perl

    misc

  165. Webmin - a web-based interface for system administration for Unix
  166. List of free software for Web 2.0 services - Wikipedia, the free encyclopedia
  167. etracker Home
  168. StatCounter Free invisible Web tracker, Hit counter and Web stats
  169. GoStats.com | Web Stats Hit Counter & Free Site Traffic Analysis
  170. SourceForge.net: Project Info - Psunami Bulletin Board
  171. WebCalendar - web-based calendaring and scheduling system, perl CGI
  172. Wirksamkeit von Disclaimern für Webseiten
  173. Warum Disclaimer dem WWW schaden
  174. Subotnik: Disclaimer
  175. Urteil des Landgerichts Hamburg, Az. 312 O 85/98
  176. Make A Shorter Link
  177. Evaluation, Repair, and Transform Tools for Web Content Accessibility
  178. HTML converters
  179. Homepage mit HTML-der Versuch eines Laien(Workshop)
  180. Mediengestalter Thomas Jahn - Tipps für Mediengestalter
  181. On the use of some MS Windows characters in HTML (Jukka "Yucca" Korpela)
  182. Suchmaschinen Tricks: Suchmaschineneintrag, Suchmaschinen Optimierung und Suchmaschinen Anmeldung
  183. Robots Exclusion
  184. PHP: Hypertext Preprocessor
  185. Dev Shed - The Open Source Web Development Site
  186. eXtropia - the open web technology company
  187. Webmaster Tools and SEO Software Resources :: Webmaster Toolkit
  188. Free Webmaster Tools
  189. Index of /webtools (John Walker, Fourmilab)
  190. Hattos Utilities (JavaScript)
  191. SIMILE Widgets
  192. jQuery
  193. Flot: Attractive JavaScript plotting for jQuery
  194. jqPlot Charts and Graphs for jQuery
  195. Webmaster Tips: CSS, HTML, SEO, Adsense, PHP articles and webmaster tools
  196. Webmaster Tips: Site Information Tool - Whois, Google PR, Alexa rank, IP info
  197. Bookmarklet Crunchinator - quickly create a bookmarklet from some javascript code
  198. Created with Free Software - FSFE
  199. Button Maker :: Kalsey Consulting Group
  200. Enhanced button maker - eKstreme.com
  201. //gtmcknight.com: Steal These Buttons
  202. MySpace Warning Labels - MyWackoSpace.com - generate label gifs, doesn't need myspace
  203. Myspace MP3 - Myspace Codes - Myspace Layouts - MyspaceGeeks.com - flash mp3 player, doesn't need myspace
  204. Icon Archive - 26,300+ free icons, buddy icons, xp icons, vista icons, desktop icons, aim icons
  205. Royalty Free Icons & Clipart Stock Images ~ Icons Etc.
  206. Free Clipart | Download Free Clipart
  207. FlamingText: Logo Design and Button Generator Tool
  208. Cool Text: Logo and Graphics Generator
  209. iBAND Free Clip Art - Collection of Photos and Images
  210. Free Backgrounds
  211. Traffic-Guards, eine Aktion gegen Traffic-Klau bzw Bandwidth Stealing
  212. Smilies Smilie Smilys Smiley Smileys Emoticons Gifs
  213. Emoji cheat sheet for Campfire and GitHub
  214. Code to HTML converter - code2html
  215. PGP signed web-pages
  216. PGP Signing A Web Page - Part III
  217. TextCaptcha: textual CAPTCHA challenges - for example like this
  218. Forschungsstelle Abmahnwelle e.V. Gazette
  219. semacode | real-world hyperlinks
  220. Jeff Mesnil's Weblog: A bookmarklet to split HTML document within the browser
  221. Piwigo is open source photo gallery software for the web | piwigo.org
  222. Menalto2Piwigo extension - Import data from a Menalto Gallery into Piwigo
  223. Fail2ban configuration for Piwigo failed logins « freeandthings
  224. Gallery | Your photos on your website - discontinued Menalto Gallery project
  225. Gallery Codex - Menalto Gallery manual
  226. Gallery 3 User Contributed Modules and Themes
  227. Gallery2 Themes Demo Site - Showcase of Themes, Colorpacks and Frames for Gallery2
  228. Latest Gallery Sites | G2-Sites.com - Gallery Directory
  229. Unclassified NewsBoard Forum - UNB, you don't have to use phpBB
  230. ForumMatrix - Compare Them All
  231. Home - AkeebaBackup.com
  232. Internetrecht
  233. Bettinger Schneider Schramm | Patentanwälte Rechtsanwälte | München - Datenbank über Entwicklungen im Bereich des Patentrechts, des Markenrechts und Domainrechts sowie des Rechts der Informationstechnologie
  234. Jugendschutz-Label Altersklassifizierung age-de.xml
  235. Impressum Anbieterkennzeichnungspflicht TMG § 5 Internetrecht
  236. Die Impressumspflicht nach § 5 TMG / § 55 RStV
  237. Impressumspflicht für Webseiten
  238. Law-Blog » Vorschlag für eine Muster-Datenschutzerklärung für Webseiten
  239. FAQ IP-Adressen und andere Nutzungsdaten
  240. Anonymisierung der IP-Adressen in Webserver-Logfiles
  241. Down For Everyone Or Just Me -> Check if your website is down or up?

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