Opera offers a free broswer which is faster than the other offerings on the net. And the Opera browser is easy to use as well as being more secure. But this desktop browser is only for Windows. Their browser comes packed with features like transfer manager, tabbed browsing, mouse gestures and pop-up blocker. They have a version for mobile devices called Opera Mobile or you can try their stripped down version called Opera Mini. Furthermore, they support different languages in their browsers too. Opera is based in Norway.

Opera Software ASA

This script is a very popular ecommerce script with tons of features. It allows online e-shops to be easily setup without any fuss. You can integrated a fully featured and powerful online retail shop on your website in no time. This software is open source and available free. There are currently 11,000 registered e-shops using osCommerce. The support for this software is provided through their very active forum. osCommerce encourages their users to make use of the forum to learn and discuss about this script.

osCommerce

A site dedicated to providing the best themes available for the blog script Wordpress. In this site, you can download Wordpress themes, comment and rate them and has a very powerful search function. Theme creators can upload their own themes easily and effortlessly as well as test their themes online. This site can handle a huge amount of themes without any problems. With teething problems in the beginning and change in site coding, this site has become the largest and most comprehensive site for all Wordpress themes.

Theme Viewer

Unlike the many other Content Management Script out there, Moodle is different. It helps to organize content and is designed especially for teachers and educational professionals. It uses pedagogical principles to help educators build powerful and fun filled communities. Moodle has a very large and active community of developers who provides bug fixes, features and so on. Moodle is now being used in over 160 countries and in 75 different languages! They also have a forum for all discussions on Moodle.

Moodle

OpenX offers webmasters and web owners solutions to monetarize their website. They have developed a very powerful open source script to setup your very own ad server. It allows you to operate and manage your advertisement campaigns through their easy to use and innovative interface. It provides you with all the necessary tools to maximize the performance of your ads. They also offer OpenX Hosted, where they provide the hosting and hardware, leaving you to concentrate on just the management portion. This allows the user to make full use of their software, without worrying on the hardware. Furthermore, they have a very active community. Please check out their forums for more.

OpenX

HotScript has a huge collection of web programming related sites. It aims to be the main resource for designing and programming, especially in the web technology arena. Hotscripts provides users resources to AJAX programming, ASP programming, PHP programming, Python programming and a lot more. They have resources for even C programming. Hotscripts provide a rating system for users to rate the script resource. There is also featured or sponsored listing for those who want maximum exposure. Hotscripts has over 35,000 listings and half a million members!

Hotscripts

CuteNews is a easy to use but powerful news publishing system. This script doesn't require a database, it uses flat files to store it's contents. It allows users to archive, comment and backup their website through the browser. CuteNews also offers their users a wide range of addons, styles and even hacks for this script. Although it is free, you can buy a license to remove the copyright from it's footer. It costs US$39.95. They provide support only through their forums. However, their forum is extremely active, so you shouldn't have any problem getting support there.

CuteNews

PhpDig is a web crawler and search engine written in PHP. You can use this script to create a full featured search engine. It's uses MySQL and flat files for storage. PhpDig does text indexing, http spidering, reads robots.txt and so on. However, it doesn't do ranking well unless you write modifications to it. With that, you can design a truly powerful search engine. However, indexing takes up a lot of resources, so usually system resources are the limitation. PhpDig is open source and available for free.

PhpDig

Akismet developes software to help combat spammers. Automattic Kismet is sort of like a collected effort to help stop comment and trackback spam, usually for blogs. What they do is when someone places a comment, trackback or pingback (blog talk) on your blog, it sends this information first to the Akismet server which then identifies whether it is spam or not. It then saves the comment (as spam) for 15 days. So during those days, you can either check the comment or leave it to be deleted. This service is free for non-commerical usage. And they have plugins for Wordpress, SMF, Drupal, Expression Engine, Geeklog, Phorum and many more.

Akismet

This amazing site has all the different online calculators you ever need. They have various applications like the standard calculator, scientific calculator, loan calculator, currency calculator, graphing calculator and many more. It is one of the biggest collection of online calculators. If you are a developer, you can join their network to distribute your work. Or if you are a webmaster in need of some serious calculations, you can make use of their applications available. Some are free while others requires a fee for use. Webmasters can make their site more useful be offering such applications on their sites.

Calculator.com

ATutor is an open source education support system. it is designed to help educators use this script easily to manage their course and lessons. Totally web based system, this script is very simple to setup and administrate. It also provides a grading system, assignment management, calendar and other features. You can even use ATutor as a collaborative workgroup system. This script is being actively developed and bugs are quickly fixed. You can visit their support forums if you have any problems or questions with ATutor.

ATutor

FlashGet is one of the oldest download manager. It makes use of Multi-server Hyper-threading Transportation technology to enable users to fastest download speed and to get the most stable connections available. FlashGet supports Internet Explore 6,7,8 as well as Firefox. And to safeguard against viruses, it allows users to automatically call for their antivirus software once the download is complete. It is known for being very low on resource, something which is important if you do downloading often. It is a freeware and comes without all those pesky spyware or adware.

FlashGet

Qmail Toaster is an RPM source depository for anyone seeking to setup an Linux email server based on Qmail. This easy to use "toaster" allows even non-Linux users to easily and quickly setup an Linux email server based on several different Linux distros like CentOS, Fedora Core and so on. The packages feature Spam Assassin, ClamAV virus scanning, virtual domains, web-based email system, web-based email administration, POP access and much more. They also provide an easy to follow walk-through for new non-Linux users.

Qmail Toaster

With the advent of new and powerful web technologies, downloading and installing software might soon be a thing of the past. Heck, it could be outdated even now. Why is there is a need to install any software even you can do everything on your browser. It is the future! And do you remember receiving a pdf file and wanting to edit the content in it but the software required to do that costs like 5 times your budget? Well, you no longer have to worry about that anymore. PDFescape allows users to edit PDF files as well as fill in PDF forms online easily. All you have to do is to upload the pdf onto their system and start editing to your heart's content. And all these for free without any watermarks or limitations! They have additional features like their form designer tools so that you can create powerful PDF forms for your users.

PDFescape

Open Source CMS (OSCMS) is a site that allows users to try out different scripts before they actually install it. All the scripts available are for PHP & MySQL. All scripts are configured so that you can have full administrator access to it. This way, you can try out the script fully before doing the tedious step of installation. OSCMS will automatically reset all the scripts to it's default settings every 2 hours. They provide testing for Portal scripts, forum scripts and even e-commerce scripts.

Open Source CMS