GreenBits is a free download manager program with features like Pause/Resume, Save/Load Download task etc. It's small and free of adwares and malwares. System requirements: MUST HAVE Java SE Runtime Environment(JRE) 6 or above. Download it from http://java.sun.com/javase/downloads/index.jsp Has been tested on XP and Vista. Not sure about other OS, may work or may not.