Links Checker (functionality based on version)

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need standalone assembly with functionality based on popular W.A.R. Links Checker ( - this script automatically checks links from more than 300 unique filehostings).
This assembly I will use in my other .NET projects for link checking. Typically I will call it from ILink object.

Visual studio 2010 solution (linkchecker project + test project)
.NET framework 4+
Input data (http link, bulk http links)
Output data (http link, link status[OK, KO, UNAVAILABLE, INPROGRESS])
Aasync operations
Class/Interface diagram beforehand is a plus

Skills required:
C# Programming, Software Architecture
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