Video DownloadHelper - Browser extension to download videos from the Web

4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.

FastestTube - Youtube fastesttube downloader will make your internet expirience faster harder beter stronger.‎How to merge video and audio .

FlashGot - FlashGot is a browser extension for Mozilla Firefox that is designed to make it easy to download a whole batch of files in one go. The extension is open source and free to use, but it is no longer compatible with the most recent version of Firefox.

youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.

GrabAnyMedia - Grab Any Media is a popular video downloading extension for the web browsers.