Synergy ReTweet is a 100% free Windows application that connects with your Twitter account and posts tweets every a specific number of hours. You can schedule up to five tweets including images too. You can open the application multiple times creating a storm of posts. Connect with your account via an API key and access token, which you get from Twitter. Use your own resources as you like and break free from the cloud burden.
Windows Server 2008,
||.NET Framework 4.0