Great Downloader easy to use can convert into multiple file formats. Fast and impressive
puRRing - Cute cat videos with every incoming call on your Android
Video DownloadHelper - Browser extension to download videos from the Web
Cleartones - Minimalist ringtones
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
TweetMash - Create tweet mashups from your favorite Twitter users.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.