Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Trickster - Keep track of recent files on your Mac
Video DownloadHelper - Browser extension to download videos from the Web
Work For FANG - No-bullshit guide to land a job in top tech companies
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Viscom SlideShow Creator - Free Create photo slideshow movies and presentations for 4 steps.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.