Add some features to a WordPress plugin

Hello! I have a WordPress plugin in which I want some features to be added, those new features are available in other plugins I want you to duplicate the same functionality on the current plugin which I have. Basically current plugin offers drag & drop elements and I want some new elements to be added such as: 1. Optin Box 2. Countdown timer 3. WordPress Widget 4. "Thought Of The Day" Rotating random quotes which are provided. Budget: $30 Lowest bid with good proposal gets the job. New freelancers are welcome :)