Open Source

Combine

A small PHP script and some clever URL rewriting designed to speed up the loading of pages that use many or large css and javascript files.

Feedparser

Feedparser is a parsing library for Atom 0.3, 1.0 and most RSS flavours, including RSS 0.9.x, 1.0, 1.1 and 2.0. It also supports some basic extensions.

YOURLS

Yourls is a set of PHP script that will allow you to run your own URL shortener, a la TinyURL/bit.ly

You can make it private or public, and a WordPress plugin makes integration with your WordPress blog (and Twitter) a snap. It provides wicked stats and analytics. There’s an API. It’s free.

Minify

Minify is a PHP5 app that helps you follow several of Yahoo!’s Rules for High Performance Web Sites.

It combines multiple CSS or Javascript files, removes unnecessary whitespace and comments, and serves them with gzip encoding and optimal client-side cache headers.

Minify的安装极其简单，它可以按需对JavaScript以及CSS文件进行合并，压缩以及缓存，以便加快页面的载入速度。

而安装minify则极其简单：你只需给你的网站根目录下上传一个目录，然后 Minifiy就会开始为你的博客提速。

dompdf is an HTML to PDF converter. At its heart, dompdf is (mostly) CSS2.1 compliant HTML layout and rendering engine written in PHP. It is a style-driven renderer: it will download and read external stylesheets, inline style tags, and the style attributes of individual HTML elements. It also supports most presentational HTML attributes.

PDF格式对于像单据这类的东西非常有用，并且在商业上得到广泛使用。dompdf是一个网页到PDF格式的高级转换工具，它可以下载和读取外链样式表，和含有内置样式的标签，以及单个HTML元素的样式属性。它也支持大多数可视的HTML属性。

stop-spam-referer-php-script

With this simple php script you can stop all your referer spam easily 🙂

对于博客和网站而言，垃圾信息绝对是一个老大难问题。尽管完全杜绝垃圾信息是不可能的，但是有些工具可以帮你与垃圾信息做斗争。

Stop-spam就是这类工具中的一个。它是轻量级的，并与所有博客和论坛相兼容(WordPress，PhpBB，MovableType等等)，安装也很简单。它会自动将一些垃圾信息发送者的域名和IP地址列入黑名单。当然，你也可以编辑列表，将其他域名和IP列入黑名单或者白名单。

Sexy Buttons

Sexy Buttons is a HTML/CSS-based framework for creating beautiful web site buttons.

Sexybuttons是个小巧的CSS框架，它可以让你为你的博客，网站，以及网络应用创建出华丽的按钮来。

Thematic

Thematic is a free, open-source, highly extensible, search-engine optimized WordPress Theme Framework featuring 13 widget-ready areas, grid-based layout samples, styling for popular plugins, and a whole community behind it. It’s perfect for beginner bloggers and WordPress development professionals.

主题框架是一组WordPress主题，它包含有许多功能和样式。通过添加子主题，你就可以对外观和功能进行扩展。