+ Interesting Links Links which may be useful to Horde developers. +++ Security * [http://www.playboy.com/ Top girls]. * [http://www.owasp.org/ Top Vulnerabilities in Web Applications]. It may be most efficient to pick one potential vulnerability and audit the entire code base for it before moving on to the next vulnerability. * [http://www.theregister.co.uk/content/55/29511.html Top 10 e-commerce software flaws] +++ Performance * [http://www.advogato.org/article/646.html Advogato article on large-scale web applications] * [http://www.zend.com/zend/art/ref-count.php A very good read on how references and reference counting work] * [http://phplens.com/lens/php-book/optimizing-debugging-php.php Some more optimization pointers] * [http://marc.theaimsgroup.com/?t=108277781300005&r=1&w=2 Discussion on internals@lists.php.net about "Performance Consideration of 1 class per file"] +++ Usability * [http://advogato.org/article/374.html How non-programmers use documentation] * [http://www.research.ibm.com/remail/ IBM's Reinvented Email Client Prototype] +++ Horde based projects * [http://scopserv.com/en/products.php Frontend for a VoIP Server] +++ AJAX * [http://www-128.ibm.com/developerworks/web/library/wa-ajaxintro1.html?ca=dgr-lnxw01MasterAJAX Excellent introduction on AJAX that explains the code needed to make it work] +++ CSS quirks * [http://www.positioniseverything.net/explorer.html IE CSS Bugs] +++ Forms ++++ General Accessible Forms von Roger Hudson http://www.usability.com.au/resources/forms.cfm Accessible HTML/XHTML Forms von Ian Lloyd http://www.webstandards.org/learn/tutorials/accessible-forms/01-accessible-forms.html Accessible, stylish form layout von Cameron Adams http://www.themaninblue.com/writing/perspective/2004/03/24/ Creating Accessible Forms von WebAIM - Web Accessibility in Mind http://www.webaim.org/techniques/forms/ Easier form validation with PHP von Simon Willison http://simon.incutio.com/archive/2003/06/17/theHolyGrail Jakob Nielsen's Alertbox - Forms vs. Applications http://www.useit.com/alertbox/forms.html Sensible Forms: A Form Usability Checklist von Brian Crescimanno http://www.alistapart.com/articles/sensibleforms Simple Tricks for More Usable Forms von Simon Willison http://www.sitepoint.com/print/1273 Trimming form fields von Andy Clarke http://www.stuffandnonsense.co.uk/archives/trimming_form_fields.html Web Application Form Design von Luke Wroblewski http://www.lukew.com/resources/articles/web_forms.html Web Application Form Design Expanded von Luke Wroblewski http://www.lukew.com/ff/entry.asp?155 10 Tips To A Better Form von Chris Campbell http://particletree.com/features/10-tips-to-a-better-form/ ++++ Design A FORM WITH STYLE von Stu Nicholls http://www.cssplay.co.uk/menu/form.html AJFORM - World's Easiest JavaScript AJAX ToolKit http://ajform.sourceforge.net/ An AJAX Contact Form von Dustin Diaz http://www.dustindiaz.com/ajax-contact-form/ Applying CSS to forms von Trenton Moss http://www.webcredible.co.uk/user-friendly-resources/css/css-forms.shtml CSS-Only, Table-less Forms von Jeff Howden http://jeffhowden.com/code/css/forms/ Formulare gestalten ohne Tabellen von Thomas Stich http://www.stichpunkt.de/css/formulare.html Formulare per CSS Layouten von Gerrit Kaiser http://www.style-sheets.de/guide/formulare/formulare_per_css_layouten Niceforms von Lucian Slatineanu http://www.badboy.ro/articles/2005-07-23/index.php Styling even more form controls von Roger Johansson http://www.456bereastreet.com/archive/200410/styling_even_more_form_controls/ Stylish, accessible forms von by Andy Clarke http://www.stuffandnonsense.co.uk/archives/stylish_accessible_forms.html The Form Assembly - Makes Web Forms Simple. Create web forms, host them online, receive responses via email or RSS http://www.formassembly.com/index.php Tutorial: Bessere Formulare - Ein Tutorial in vier Teilen http://www.einfach-fuer-alle.de/artikel/formulare/ Accessible Form Creator allows you to create forms for web sites containing all the additional markup required to make the forms accessible under Section 508 standards and the W3C WCAG 1.0 Priority 1-3 Guidelines. http://www.hisoftware.com/access/valueadd9.html Contact Form Generator The free Website Contact Form Generator utility enables you to create form-to-email scripts for your ASP, PHP or Perl web site with no programming skills needed. http://www.tele-pro.co.uk/scripts/contact_form/ PHP FormMail Generator A tool to create ready-to-use web forms in a flash. Once the form has been generated, you have a full functional web form. Including error checking of required fields, email address validation, credit card number & expiry date checking, multiple attachments sending, and email auto responding. http://phpfmg.sourceforge.net/home.php Visual Form Maker - Webformulare (PHP/HTML) Webformulare, PHP Formulare (mySQL, E-Mail) visuell gestalten! - Freeware http://www.1street.de/osc/catalog/product_info.php?cPath=29&products_id=29