Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Preme for Windows - Speeds up your window switching.
Video DownloadHelper - Browser extension to download videos from the Web
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.