Pligg (now called Kliqqi) is a free and open-source content management system (CMS) developed by yankidank (Eric Heikkinen) in 2005, based on PHP and MySQL. It offers a set of features that are similar to popular social publishing websites like Digg or Reddit, where users can submit and vote on news articles and connect with other users.

Acode (AKA: Acode editor) is a small yet very powerful code viewer + code editor + code debugger and Web IDE for Android platform, developed by Foxdebug from India. You can use it to view, edit and debug HTML, JavaScript, MarkDown directly on your Android-based smartphone or tablet PC.

Source Insight is a very powerful and popular programming editor, code browser and analyzer. It comes with many advantages, such as rich programming languages support, convenient functions, fast source navigation, real-time context display, independent symbol database, etc., and is widely welcomed by programmers all over the world. It's definitely one of the best programs of its kind.

If you are a artist or a webmaster who needs a single platform to share music and connect with like-minded musicians and fans, then do give MusicEngine a try. MusicEngine is a social network website source code for webmasters, which brings the power of social networking and music sharing together in one place.

DeepSound is a music sharing script application written in PHP, which is currently one of the best choices for creating your own music sharing website. It was developed by the same writer (DoughouzForest) as WoWonder, PlayTube, Flame, QuickDate, and PixelPhoto, so you will have a very familiar feeling to it when you use it.