goUpdater 

goUpdater is new and innovative software updating and delivery solutions, ensuring that end-users always have the latestversion of your software. When integrated into your application, goUpdater performs almost any updating task.
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TrueUpdate 

TrueUpdate is a software development tool for adding automatic web or LAN updating to software applications. Quickly determines required updates and then retrieves and applies the necessary patch or installation files using secure protocols.
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