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\part{Interesting Links}
Links which may be useful to Horde developers.
\subsection{Security}
\begin{itemize}
\item 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.
\item Top 10 e-commerce software flaws
\end{itemize}
\subsection{Performance}
\begin{itemize}
\item Advogato article on large-scale web applications
\item A very good read on how references and reference counting work
\item Some more optimization pointers
\item Discussion on internals@lists.php.net about "Performance Consideration of 1 class per file"
\end{itemize}
\subsection{Horde based projects}
\begin{itemize}
\item Frontend for a VoIP Server
\end{itemize}
\subsection{CSS quirks}
\begin{itemize}
\item IE CSS Bugs
\end{itemize}
\subsection{PNG Compression}
\begin{itemize}
\item PNG Compression
\end{itemize}
\subsection{Forms}
\subsubsection{General}
\begin{itemize}
\item Creating Accessible Forms von !WebAIM - Web Accessibility in Mind
\item Easier form validation with PHP von Simon Willison
\item Jakob Nielsen's Alertbox - Forms vs. Applications
\item Sensible Forms: A Form Usability Checklist von Brian Crescimanno
\item Simple Tricks for More Usable Forms von Simon Willison
\item Trimming form fields von Andy Clarke
\item Web Application Form Design von Luke Wroblewski
\item Web Application Form Design Expanded von Luke Wroblewski
\item 10 Tips To A Better Form von Chris Campbell
\end{itemize}
\subsubsection{Design}
\begin{itemize}
\item A FORM WITH STYLE von Stu Nicholls
\item AJFORM - World's Easiest !JavaScript AJAX !ToolKit
\item An AJAX Contact Form von Dustin Diaz
\item Applying CSS to forms von Trenton Moss
\item CSS-Only, Table-less Forms von Jeff Howden
\item Formulare gestalten ohne Tabellen von Thomas Stich
\item Formulare per CSS Layouten von Gerrit Kaiser
\item Niceforms von Lucian Slatineanu
\item Styling even more form controls von Roger Johansson
\item Stylish, accessible forms von by Andy Clarke
\item The Form Assembly - Makes Web Forms Simple. Create web forms, host them online, receive responses via email or RSS
\item Tutorial: Bessere Formulare - Ein Tutorial in vier Teilen
\item 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.
\item 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.
\item 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.
\item - Visual Form Maker - Webformulare (PHP/HTML) Webformulare, PHP Formulare (mySQL, E-Mail) visuell gestalten! - Freeware
\end{itemize}
\end{document}