Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Celtx - Celtx is a scriptwriting software platform with applications in a wide range of mediums but that specializes in helping screenwriters.
Video DownloadHelper - Browser extension to download videos from the Web
Trelby - The free, multiplatform, feature-rich screenwriting program!
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.