Great Downloader easy to use can convert into multiple file formats. Fast and impressive
WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.
Video DownloadHelper - Browser extension to download videos from the Web
Save For Later - Allows you to bookmark any website to read later.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Purify - Read news articles with minimal distraction and scrolling.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.