ConnectFusion - Version 1.0 ConnectFusion is a download manager that can accelerate your downloads by launching multiple threads to the remote server. It supports the resume feature and is capable of restarting a broken download due to lost connection. ConnectFusion includes an easy-to-use interface and its installation does not interfere with the normal behavior of your browser. ConnectFusion is free, never expires, and does not contain any spyware or advertisement.