Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Leawo Blu-ray Ripper - Leawo Blu-ray Ripper could rip and convert Blu-ray to video and extract audio content from source Blu-ray content to save in 180+ formats like MP4, MKV, FLV, WMV, AVI, MP3, AAC, etc., with practical video editing feature, 2D Blu-ray to 3D video, etc.
Video DownloadHelper - Browser extension to download videos from the Web
BDmate - The best Blu-ray software to fast copy/rip Blu-ray to H.264/H.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
MakeMKV - MakeMKV is a software solution for converting video files into the MKV file format.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.