Echo-dotnet-library is a project mainly written in ..., it's free.
Echo .Net Library
A .Net class library written in C# for interacting with the Echo platform. This library provides a simple interface to the Echo API and handles the OAuth authentication.
It also includes a basic Web Console to the library for testing purposes.
The library is a translation from PHP to C# the original PHP library can be found here:- https://github.com/kga245/echo-php-library
Requirements: Echo API key http://wiki.aboutecho.com/w/page/36155764/Echo-Packages
Usage:
Add a reference to the EchoLib Library in your project.
//Submit Data to Echo Platform using DiscussIt.Echo; EchoLib el = new EchoLib(consumer_key, consumer_secret); // create object string rsp = el.method_submit(your_data); // submit ActivityStreams data to the Echo platform