Speedbit, the creator of the most popular download manager - Download Accelerator Plus, is a pioneer in accelerating data delivery. Speedbit leverages powerful, patented, multi-channel technology, to overcome latency and other slowing factors in the internet infrastructure. Speedbit's products boost data delivery speeds and effective bandwidth. Nov 30, · SpeedBit Video Downloader - Grab Video Free SpeedBit Video Downloader is a free but comprehensive application developed by SpeedBit, the makers of the highly popular Download Accelerator Plus (DAP). With SpeedBit Video Downloader you will be able to download videos from a vast number of flash video websites, including YouTube, Google, .