Tweendo is a script written with PHP, HTML, CSS, javascript and runs through the Framework Codeigniter, which allows to register multiple Twitter accounts (there is no established limit) to create campaigns (There is no limit) where tweets or posts are saved, As you find it more enjoyable, and publish them every time the cron is activated and depending on the time in which you configure it. You only need to create a Twitter application and it will handle all your accounts.