AdverTool is an open source Tool that integrates the most popular advertisement networks (Google Adwords, Microsoft Ad Center, Facebook, etc…) and helps advertisers to publish their ads saving time and optimizing costs and conversions.

• Reduced learning curve: Forget about learning so many Web applications out there
• Nice User Interface and localized to many languages
• Fast and secure
• Active development

What is CAPTCHA?

The term CAPTCHA, based upon the word Capture, is a type of challenge-response test used in computing to ensure that the response is not generated by a bot. The process usually involves one computer asking a user to complete a simple test.

Using a CAPTCHA Script on a website is a great way to ensure that response is made by a real person and not by a spambot and it helps prevent automated abuse of your site such as comment spam.

There are many CAPTCHA scripts available, lets dig into the list together.

Image Based CAPTCHA

Fresh & Creative Alternate to Traditional CAPTCHA Scripts – slideLock

slideLock adds a jQuery UI slider along with labels and notes. The user simply slides the form to unlock the submit button and then both client side and server side validation techniques ensure secure submission of the form.

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Subversion is a leading Open Source version control system, which tracks the history of file and directory changes over time.

SVNKit is a pure Java Subversion toolkit that implements all Subversion features and provides APIs to work with Subversion working copies, access and manipulate Subversion repositories.

SVNKit is a programmatic solution to use version control in Java applications, can be used as:

• an integration tool to work with versioned data in a standard way (using WCs)
• an Engine to speak to a Subversion repository on a repository access protocol layer

SVNKit features

• Repository access over http(s), svn, svn(+ssh) and file protocols
• Repository administration
• Does not require additional binaries
• Turns contents of a repository to a portable dump format stream

Teambox is twitter like project management and team collaboration software. Teambox is a web-based, quality collaboration software with a simple and clean user interface.

Teambox’s overview screen is a Twitter-like feed of activity and updates. You can post updates on a project. Stay in touch with your team all the time, across all your projects, easily.

This project management software supports:

• Multiple projects
• Status updates
• Document attachments

This open source software is written in Ruby on Rails and you can use a hosted version or can download a copy to host your very own.

Miro is an open source high definition (HD) video player with unique, elegant, and seamless user interface that makes watching internet tv and videos easier than ever.

You can watch and organize video feeds when you’re offline or traveling. Miro downloads in HD, whenever it’s available!

You can search and download videos from:

• Youtube
• Google Video
• Hulu
• Blip and many more…

Miro downloads video fast and stores it on your local computer for a level of quality that is often impossible on streaming video websites.

As this open source video player downloads most videos so you can take your shows with you, wherever you go and can see whenever you want.

OSQA is an open source and easy to use social question and answer system that provides wiki-like features and a voting system. OSQA can be used as an interactive FAQ system for websites and web applications.

This open source social networking engine allows you to connect with and follow other people and topics and send private messages to each other.

OSQA can be used as:

• An online forum
• Support / Help desk platform
• Basic project collaboration platform
• Simple Content Management System (CMS)

OSQA supports themes, embedding videos / audio / images and empowers you to import data from your current or old Stack Exchange site.

Timeplot is an open source, DHTML-based AJAX data visualization widget for plotting time series and overlay time-based events over them.

You can draw multiple plots in the same timeplot, either using the same geometry of another one or not, depending on what you want to achieve.

With this open source data visulization widget, users can create timeplots which are very easy to customize.

• Stroke and fill Plot colors customization
• Multiple timeplots
• On-Demand plot values

A fast loading website with good images and scripts performance is the first step to a successful online presence, but in real we use many tools , plugins, widgets in our website and those tools simply cause our website to load slow. The search engine panelizes the websites and we don’t get higher rankings in the search results due to the long response time.

Here is a list of free and open source tools and plugins that can help us to test performance and speed of our websites. With their suggestions, we can improve site’s response time.

 Website speed check

The website speed tester shows the duration of a given website. This value can be used for showing how long a website take to load and if it is better to optimize the website or change a (slow) ISP.

BrowserMob – Free Website Performance Test Tool

Test your website performance with this free cutting edge tool. This tool accesses your website from different location and generates a website performance analysis report.

PageTest

Pagetest allows you to provide the URL of a webpage to be tested. The test will be conducted from the location specified and you will be provided a waterfall of your page load performance as well as a comparison against an optimization checklist.

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InfoVis is a JavaScript Toolkit for creating Interactive Data Visualizations for the web built upon the concepts Modularity, Extensibility and Composability.

Supports multiple data representations like Treemaps, Radial Layouts, HyperTrees/Graphs, etc…

InfoVis components are:

• Powerful and easy to use
• Support live data updates and multi-valued data
• Mutable Visualization classes & can add/override any method
• Useful for combined visualizations

This JavaScript Interactive Data Visualizations Toolkit is open source and can be used with your favorite DOM manipulation framework.

Runway is an open source rich interactive visualization flash widget that lets you create an image slider in a similar to that of Apple iTunes known as Cover Flow.

The Flash widget can fire events to update the web page’s Javascript and the web page’s Javascript can change the Flash widget on the fly as well.

Users can set themes, control the reflect amount and distance between images can be changed with option to assign a different spacing for the centered image.