Logo for Business Directory for App Developers

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This customer received 82 logo designs from 10 designers. They chose this logo design from ONW as the winning design.
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We recently acquired the domain "appdevelopers.net" to run a free business directory targeting users looking for mobile application developers around their area. While the directory is free for end-users, we plan to have a freemium model for app developers to list their service.
We have identify the platform to run the directory: http://www.brilliantdirectories.com/ and will use one of their default templates to start.
Examples of how the homepage will look like can be found here:
http://www.brilliantdirectories.com/online-directory-template-membership-website-designs/online-directory-template-homepage-designs
The design should work well within the design of the above templates.
The design should work well with a light background or overlay a light background, since most of the templates we like are like that. We also like the color "blue".
The design should include the domain name "appdevelopers.net" or "appdevelopers" so that it's easily identifiable when used in other context. We're open to text-based logo besides a good graphic or a graphic with the text embedded.
The design should be modern, simple and clear. Our target audience (both end-user and app developers) is tech savvy and expects modern design.
The final design should communicate "an effective tool to work with app developers and come up with a modern product".
Updates
A couple more ideas:
Added Monday, February 10, 2014
Industry/Entity Type
Business Directory